xlwings Colab installation failure - python-3.x

When I do !pip install xlwings -vvv in Colab, I get the following. How to fix it?
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
Exception information:
Traceback (most recent call last):
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/cli/base_command.py", line 153, in _main
status = self.run(options, args)
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/commands/install.py", line 382, in run
resolver.resolve(requirement_set)
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/legacy_resolve.py", line 201, in resolve
self._resolve_one(requirement_set, req)
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/legacy_resolve.py", line 365, in _resolve_one
abstract_dist = self._get_abstract_dist_for(req_to_install)
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/legacy_resolve.py", line 313, in _get_abstract_dist_for
req, self.session, self.finder, self.require_hashes
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/operations/prepare.py", line 224, in prepare_linked_requirement
req, self.req_tracker, finder, self.build_isolation,
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/operations/prepare.py", line 49, in _get_prepared_distribution
abstract_dist.prepare_distribution_metadata(finder, build_isolation)
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/distributions/source/legacy.py", line 39, in prepare_distribution_metadata
self.req.prepare_metadata()
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/req/req_install.py", line 563, in prepare_metadata
self.metadata_directory = metadata_generator(self)
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/operations/generate_metadata.py", line 124, in _generate_metadata_legacy
command_desc='python setup.py egg_info',
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/utils/subprocess.py", line 242, in call_subprocess
raise InstallationError(exc_msg)
pip._internal.exceptions.InstallationError: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.


From its documentation
xlwings requires an installation of Excel and therefore only works on Windows and macOS.
So, you cannot use xlwings with Google Colab.

Related

Using dbn.tensorflow with win10

In my code I am trying to use :
from dbn.tensorflow import SupervisedDBNClassification
I got on this error:
Import "dbn.tensorflow" could not be resolved
Any solution please?
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Update:
After install requirements.txt
ERROR: Command errored out with exit status 1:
command: 'c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\scripts\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\pc\\AppData\\Local\\Temp\\pip-install-794c6ozn\\scipy\\setup.py'"'"'; __file__='"'"'C:\\Users\\pc\\AppData\\Local\\Temp\\pip-install-794c6ozn\\scipy\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base pip-egg-info
cwd: C:\Users\pc\AppData\Local\Temp\pip-install-794c6ozn\scipy\
Complete output (93 lines):
Running from numpy source directory.
C:\Users\pc\AppData\Local\Temp\easy_install-e0ydh06f\numpy-1.23.1\setup.py:86: DeprecationWarning:
`numpy.distutils` is deprecated since NumPy 1.23.0, as a result
of the deprecation of `distutils` itself. It will be removed for
Python >= 3.12. For older Python versions it will remain present.
It is recommended to use `setuptools < 60.0` for those Python versions.
For more details, see:
https://numpy.org/devdocs/reference/distutils_status_migration.html
import numpy.distutils.command.sdist
Traceback (most recent call last):
File "C:\Users\pc\AppData\Local\Temp\easy_install-e0ydh06f\numpy-1.23.1\setup.py", line 251, in generate_cython
- `pip install .` (from a git repo or downloaded source
ModuleNotFoundError: No module named 'Cython'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\sandbox.py", line 154, in save_modules
yield saved
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\sandbox.py", line 195, in setup_context
yield
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\sandbox.py", line 250, in run_setup
_execfile(setup_script, ns)
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\sandbox.py", line 45, in _execfile
exec(code, globals, locals)
File "C:\Users\pc\AppData\Local\Temp\easy_install-e0ydh06f\numpy-1.23.1\setup.py", line 493, in <module>
File "C:\Users\pc\AppData\Local\Temp\easy_install-e0ydh06f\numpy-1.23.1\setup.py", line 475, in setup_package
File "C:\Users\pc\AppData\Local\Temp\easy_install-e0ydh06f\numpy-1.23.1\setup.py", line 258, in generate_cython
if '--help' in sys.argv[1:] or '-h' in sys.argv[1]:
OSError: Cython needs to be installed in Python as a module
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Users\pc\AppData\Local\Temp\pip-install-794c6ozn\scipy\setup.py", line 415, in <module>
setup_package()
File "C:\Users\pc\AppData\Local\Temp\pip-install-794c6ozn\scipy\setup.py", line 411, in setup_package
setup(**metadata)
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\__init__.py", line 144, in setup
_install_setup_requires(attrs)
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\__init__.py", line 139, in _install_setup_requires
dist.fetch_build_eggs(dist.setup_requires)
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\dist.py", line 716, in fetch_build_eggs
resolved_dists = pkg_resources.working_set.resolve(
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\pkg_resources\__init__.py", line 780, in resolve
dist = best[req.key] = env.best_match(
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\pkg_resources\__init__.py", line 1065, in best_match
return self.obtain(req, installer)
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\pkg_resources\__init__.py", line 1077, in obtain
return installer(requirement)
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\dist.py", line 786, in fetch_build_egg
return cmd.easy_install(req)
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\command\easy_install.py", line 679, in easy_install
return self.install_item(spec, dist.location, tmpdir, deps)
File "c:\users\pc\desktop\ali\rbfnetworks\deep-belief-network-master\env\lib\site-packages\setuptools\command\easy_install.py", line 7

If you installed through pip, you probably installed this library: Decentralized-Bluetooth-Network. Not what you were looking for.
You just have to follow the instruction at the Github repository. I'll write them below:
First clone the repository: git clone https://github.com/albertbup/deep-belief-network.git
Move to the cloned repository folder: cd deep-belief-network
If you are using an environment create it and activate it
Execute pip install -r requirements.txt to install all the requirements needed.

pip3 install argon2-cffi-bindings errors

I type the following in the the command prompt: pip3 install argon2-cffi-bindings.
can anyone help me? please!
My python version is 3.6.9 and System is Debian
I received the following error:
```
Complete output from command python setup.py egg_info:
ERROR: Failed to build one or more wheels
/home/xr8022/.local/lib/python3.6/site-packages/pkg_resources/__init__.py:119: PkgResourcesDeprecationWarning: 0.18ubuntu0.18.04.1 is an invalid version and will not be supported in a future release
PkgResourcesDeprecationWarning,
/home/xr8022/.local/lib/python3.6/site-packages/setuptools/installer.py:30: SetuptoolsDeprecationWarning: setuptools.installer is deprecated. Requirements should be satisfied by a PEP 517 installer.
SetuptoolsDeprecationWarning,
Traceback (most recent call last):
File "/home/xr8022/.local/lib/python3.6/site-packages/setuptools/installer.py", line 82, in fetch_build_egg
subprocess.check_call(cmd)
File "/usr/lib/python3.6/subprocess.py", line 311, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['/usr/bin/python3', '-m', 'pip', '--disable-pip-version-check', 'wheel', '--no-deps', '-w', '/tmp/tmpk8kkgkyr', '--quiet', 'cffi>=1.0.1']' returned non-zero exit status 1.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-build-_065wwx4/argon2-cffi-bindings/setup.py", line 111, in <module>
cffi_modules=CFFI_MODULES,
File "/home/xr8022/.local/lib/python3.6/site-packages/setuptools/__init__.py", line 152, in setup
_install_setup_requires(attrs)
File "/home/xr8022/.local/lib/python3.6/site-packages/setuptools/__init__.py", line 147, in _install_setup_requires
dist.fetch_build_eggs(dist.setup_requires)
File "/home/xr8022/.local/lib/python3.6/site-packages/setuptools/dist.py", line 815, in fetch_build_eggs
replace_conflicting=True,
File "/home/xr8022/.local/lib/python3.6/site-packages/pkg_resources/__init__.py", line 773, in resolve
replace_conflicting=replace_conflicting
File "/home/xr8022/.local/lib/python3.6/site-packages/pkg_resources/__init__.py", line 1056, in best_match
return self.obtain(req, installer)
File "/home/xr8022/.local/lib/python3.6/site-packages/pkg_resources/__init__.py", line 1068, in obtain
return installer(requirement)
File "/home/xr8022/.local/lib/python3.6/site-packages/setuptools/dist.py", line 883, in fetch_build_egg
return fetch_build_egg(self, req)
File "/home/xr8022/.local/lib/python3.6/site-packages/setuptools/installer.py", line 84, in fetch_build_egg
raise DistutilsError(str(e)) from e
distutils.errors.DistutilsError: Command '['/usr/bin/python3', '-m', 'pip', '--disable-pip-version-check', 'wheel', '--no-deps', '-w', '/tmp/tmpk8kkgkyr', '--quiet', 'cffi>=1.0.1']' returned non-zero exit status 1.
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-_065wwx4/argon2-cffi-bindings/

Maybe try upgrading to python3.7 and apt install libffi-dev

How to install PyQt5 on MacOS?

I try to install PyQt in my Mac by pip or brew to install, it all failed with sipbuild.pyproject.PyProjectOptionException error. Need help can someone solve this?
jett#jmac ~ % pip install pyqt5
Defaulting to user installation because normal site-packages is not writeable
Collecting pyqt5
Using cached PyQt5-5.15.4.tar.gz (3.3 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmpgdmdc09l
cwd: /private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-install-bv0c7yxz/pyqt5_7923519b6ae5437192ce4b58d6719383
Complete output (31 lines):
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 126, in prepare_metadata_for_build_wheel
hook = backend.prepare_metadata_for_build_wheel
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 280, in <module>
main()
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 130, in prepare_metadata_for_build_wheel
return _get_wheel_metadata_from_wheel(backend, metadata_directory,
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 159, in _get_wheel_metadata_from_wheel
whl_basename = backend.build_wheel(metadata_directory, config_settings)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-4yn2ftzm/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 51, in build_wheel
project = AbstractProject.bootstrap('pep517')
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-4yn2ftzm/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 83, in bootstrap
project.setup(pyproject, tool, tool_description)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-4yn2ftzm/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 484, in setup
self.apply_user_defaults(tool)
File "project.py", line 63, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-4yn2ftzm/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-4yn2ftzm/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 230, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-4yn2ftzm/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 66, in apply_user_defaults
raise PyProjectOptionException('qmake',
sipbuild.pyproject.PyProjectOptionException
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/8e/a4/d5e4bf99dd50134c88b95e926d7b81aad2473b47fde5e3e4eac2c69a8942/PyQt5-5.15.4.tar.gz#sha256=2a69597e0dd11caabe75fae133feca66387819fc9bc050f547e5551bce97e5be (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.6). Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmpgdmdc09l Check the logs for full command output.
Using cached PyQt5-5.15.3.tar.gz (3.3 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmp2b3zk776
cwd: /private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-install-bv0c7yxz/pyqt5_44052bd6cdc34aa2be5b23f36dca88df
Complete output (31 lines):
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 126, in prepare_metadata_for_build_wheel
hook = backend.prepare_metadata_for_build_wheel
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 280, in <module>
main()
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 130, in prepare_metadata_for_build_wheel
return _get_wheel_metadata_from_wheel(backend, metadata_directory,
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 159, in _get_wheel_metadata_from_wheel
whl_basename = backend.build_wheel(metadata_directory, config_settings)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-cx5p34wp/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 51, in build_wheel
project = AbstractProject.bootstrap('pep517')
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-cx5p34wp/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 83, in bootstrap
project.setup(pyproject, tool, tool_description)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-cx5p34wp/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 484, in setup
self.apply_user_defaults(tool)
File "project.py", line 63, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-cx5p34wp/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-cx5p34wp/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 230, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-cx5p34wp/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 66, in apply_user_defaults
raise PyProjectOptionException('qmake',
sipbuild.pyproject.PyProjectOptionException
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/6e/86/d715e71771cece0e060f2ebab20f3ded067b08a0927dfb3143530cae8098/PyQt5-5.15.3.tar.gz#sha256=965ba50e7029b37f218a54ace24e87c77db3e5a9f0b83baeb21fb57b4154b838 (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.6). Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmp2b3zk776 Check the logs for full command output.
Using cached PyQt5-5.15.2.tar.gz (3.3 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmp_r170a4s
cwd: /private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-install-bv0c7yxz/pyqt5_7cbcbc9529f7468180a67bbd9372be5b
Complete output (31 lines):
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 126, in prepare_metadata_for_build_wheel
hook = backend.prepare_metadata_for_build_wheel
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 280, in <module>
main()
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 130, in prepare_metadata_for_build_wheel
return _get_wheel_metadata_from_wheel(backend, metadata_directory,
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 159, in _get_wheel_metadata_from_wheel
whl_basename = backend.build_wheel(metadata_directory, config_settings)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-hihu6t3f/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 51, in build_wheel
project = AbstractProject.bootstrap('pep517')
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-hihu6t3f/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 83, in bootstrap
project.setup(pyproject, tool, tool_description)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-hihu6t3f/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 484, in setup
self.apply_user_defaults(tool)
File "project.py", line 63, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-hihu6t3f/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-hihu6t3f/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 230, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-hihu6t3f/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 66, in apply_user_defaults
raise PyProjectOptionException('qmake',
sipbuild.pyproject.PyProjectOptionException
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/28/6c/640e3f5c734c296a7193079a86842a789edb7988dca39eab44579088a1d1/PyQt5-5.15.2.tar.gz#sha256=372b08dc9321d1201e4690182697c5e7ffb2e0770e6b4a45519025134b12e4fc (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.5). Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmp_r170a4s Check the logs for full command output.
Using cached PyQt5-5.15.1.tar.gz (3.3 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmprj4uldbh
cwd: /private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-install-bv0c7yxz/pyqt5_b03b2a05214c4d1ebc157f6b7a32e368
Complete output (31 lines):
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 126, in prepare_metadata_for_build_wheel
hook = backend.prepare_metadata_for_build_wheel
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 280, in <module>
main()
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 130, in prepare_metadata_for_build_wheel
return _get_wheel_metadata_from_wheel(backend, metadata_directory,
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 159, in _get_wheel_metadata_from_wheel
whl_basename = backend.build_wheel(metadata_directory, config_settings)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-np1hm2fb/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 51, in build_wheel
project = AbstractProject.bootstrap('pep517')
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-np1hm2fb/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 83, in bootstrap
project.setup(pyproject, tool, tool_description)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-np1hm2fb/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 484, in setup
self.apply_user_defaults(tool)
File "project.py", line 64, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-np1hm2fb/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-np1hm2fb/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 230, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-np1hm2fb/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 66, in apply_user_defaults
raise PyProjectOptionException('qmake',
sipbuild.pyproject.PyProjectOptionException
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/1d/31/896dc3dfb6c81c70164019a6cbba6ab037e3af7653d9ca60ccc874ee4c27/PyQt5-5.15.1.tar.gz#sha256=d9a76b850246d08da9863189ecb98f6c2aa9b4d97a3e85e29330a264aed0f9a1 (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.5). Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmprj4uldbh Check the logs for full command output.
Using cached PyQt5-5.15.0.tar.gz (3.3 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmp3ql7xuy2
cwd: /private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-install-bv0c7yxz/pyqt5_688200d6210b451b8a4ab6479b451a89
Complete output (31 lines):
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 126, in prepare_metadata_for_build_wheel
hook = backend.prepare_metadata_for_build_wheel
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 280, in <module>
main()
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 130, in prepare_metadata_for_build_wheel
return _get_wheel_metadata_from_wheel(backend, metadata_directory,
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 159, in _get_wheel_metadata_from_wheel
whl_basename = backend.build_wheel(metadata_directory, config_settings)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-o6cj0zt7/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 51, in build_wheel
project = AbstractProject.bootstrap('pep517')
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-o6cj0zt7/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 83, in bootstrap
project.setup(pyproject, tool, tool_description)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-o6cj0zt7/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 484, in setup
self.apply_user_defaults(tool)
File "project.py", line 62, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-o6cj0zt7/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-o6cj0zt7/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 230, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-o6cj0zt7/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 66, in apply_user_defaults
raise PyProjectOptionException('qmake',
sipbuild.pyproject.PyProjectOptionException
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/8c/90/82c62bbbadcca98e8c6fa84f1a638de1ed1c89e85368241e9cc43fcbc320/PyQt5-5.15.0.tar.gz#sha256=c6f75488ffd5365a65893bc64ea82a6957db126fbfe33654bcd43ae1c30c52f9 (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.5). Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmp3ql7xuy2 Check the logs for full command output.
Using cached PyQt5-5.14.2.tar.gz (3.2 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmp9oeqr7vm
cwd: /private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-install-bv0c7yxz/pyqt5_f8c59757cc3e421eb7323c1e0166ff3d
Complete output (31 lines):
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 126, in prepare_metadata_for_build_wheel
hook = backend.prepare_metadata_for_build_wheel
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 280, in <module>
main()
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 130, in prepare_metadata_for_build_wheel
return _get_wheel_metadata_from_wheel(backend, metadata_directory,
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 159, in _get_wheel_metadata_from_wheel
whl_basename = backend.build_wheel(metadata_directory, config_settings)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-6w6xra03/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 51, in build_wheel
project = AbstractProject.bootstrap('pep517')
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-6w6xra03/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 83, in bootstrap
project.setup(pyproject, tool, tool_description)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-6w6xra03/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 479, in setup
self.apply_user_defaults(tool)
File "project.py", line 62, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-6w6xra03/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-6w6xra03/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 225, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-6w6xra03/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 66, in apply_user_defaults
raise PyProjectOptionException('qmake',
sipbuild.pyproject.PyProjectOptionException
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/4d/81/b9a66a28fb9a7bbeb60e266f06ebc4703e7e42b99e3609bf1b58ddd232b9/PyQt5-5.14.2.tar.gz#sha256=bd230c6fd699eabf1ceb51e13a8b79b74c00a80272c622427b80141a22269eb0 (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.5). Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmp9oeqr7vm Check the logs for full command output.
Using cached PyQt5-5.14.1.tar.gz (3.2 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmpgyk62cud
cwd: /private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-install-bv0c7yxz/pyqt5_561782674bb34431a57220b8c2e76631
Complete output (31 lines):
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 126, in prepare_metadata_for_build_wheel
hook = backend.prepare_metadata_for_build_wheel
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 280, in <module>
main()
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 130, in prepare_metadata_for_build_wheel
return _get_wheel_metadata_from_wheel(backend, metadata_directory,
File "/Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 159, in _get_wheel_metadata_from_wheel
whl_basename = backend.build_wheel(metadata_directory, config_settings)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-bdif8fjh/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 51, in build_wheel
project = AbstractProject.bootstrap('pep517')
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-bdif8fjh/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 83, in bootstrap
project.setup(pyproject, tool, tool_description)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-bdif8fjh/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 479, in setup
self.apply_user_defaults(tool)
File "project.py", line 62, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-bdif8fjh/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
super().apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-bdif8fjh/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 225, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/private/var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/pip-build-env-bdif8fjh/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 66, in apply_user_defaults
raise PyProjectOptionException('qmake',
sipbuild.pyproject.PyProjectOptionException
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/3a/fb/eb51731f2dc7c22d8e1a63ba88fb702727b324c6352183a32f27f73b8116/PyQt5-5.14.1.tar.gz#sha256=2f230f2dbd767099de7a0cb915abdf0cbc3256a0b5bb910eb09b99117db7a65b (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.5). Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Library/Python/3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py prepare_metadata_for_build_wheel /var/folders/kk/ck6hb36n5z1373zlhm46l3m80000gn/T/tmpgyk62cud Check the logs for full command output.
Using cached PyQt5-5.14.0.tar.gz (3.2 MB)
ERROR: pyqt5 from https://files.pythonhosted.org/packages/7c/5b/e760ec4f868cb77cee45b4554bf15d3fe6972176e89c4e3faac941213694/PyQt5-5.14.0.tar.gz#sha256=0145a6b7de15756366decb736c349a0cb510d706c83fda5b8cd9e0557bc1da72 has a pyproject.toml file that does not comply with PEP 518: 'build-system.requires' contains an invalid requirement: 'sip >=5.0.1 <6'
jett#jmac ~ %

Are you using an M1 Mac? If so, this worked for me: How can i run pyqt5 on my mac with M1chip
In case that page gets removed and someone needs this:
Right click the Terminal application in Finder, click duplicate.
Rename one of them so you know which is which.
Right click the renamed one, and click "Get Info". Check the option "Open using Rosetta"
Open the Rosetta version, create a virtual Python environment. /usr/bin/python3 -m venv env
Activate the environment. source env/bin/activate
Upgrade pip pip install --upgrade pip
Install PyQt5 pip install PyQt5
This worked for me on an M1 Air running Big Sur, I can't say if it helps on Intel Macs.

answer from Mike Simone worked for me except for step 7, which failed using pyqt5, but was successful using pyqt6.
pyqt6 installed for ARM, as seen from the output below.
In code simply change your imports to PyQt6. There are some minor code differences.
(venv) username#MacPunch pushbutton % pip install PyQt6
Collecting PyQt6
Downloading PyQt6-6.4.0-cp37-abi3-macosx_10_14_universal2.whl (11.6 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 11.6/11.6 MB 3.2 MB/s eta 0:00:00
Collecting PyQt6-Qt6>=6.4.0
Downloading PyQt6_Qt6-6.4.1-py3-none-macosx_11_0_arm64.whl (38.0 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 38.0/38.0 MB 2.5 MB/s eta 0:00:00
Collecting PyQt6-sip<14,>=13.4
Downloading PyQt6_sip-13.4.0.tar.gz (111 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 111.2/111.2 kB 2.2 MB/s eta 0:00:00
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... done
Building wheels for collected packages: PyQt6-sip
Building wheel for PyQt6-sip (pyproject.toml) ... done
Created wheel for PyQt6-sip: filename=PyQt6_sip-13.4.0-cp38-cp38-macosx_10_14_arm64.whl size=132021 sha256=871d16c4c852b49b9d4859ece2d516a4e650fe10a0024f9bf7105773b5ad0be9
Stored in directory: /Users/username/Library/Caches/pip/wheels/98/43/59/58c7e4bf0439947e465446a8948e84910729052c76131272e8
Successfully built PyQt6-sip
Installing collected packages: PyQt6-Qt6, PyQt6-sip, PyQt6
Successfully installed PyQt6-6.4.0 PyQt6-Qt6-6.4.1 PyQt6-sip-13.4.0
(venv) username#MacPunch pushbutton %

The chosen answer has pretty much says it all, and it solved mine too. Just a side note, the virtual environment must be created from the system python located /usr/bin/python3, other pythons won't work.

Unable to install Scipy using pip install command

I am having this
Python 3.5.3 (v3.5.3:1880cb95a742, Jan 16 2017, 16:02:32) [MSC v.1900 64 bit (AMD64)] on win32
configuration and installing scipy on Python but I get this error and fail to understand the issue. Please remain on Python and not Anaconda and others.
(pip3py3) C:\Users\x\PycharmProjects\a>pip install scipy-0.19.1-cp35-cp35m-win_amd64.whl
Processing c:\users\x\pycharmprojects\a\scipy-0.19.1-cp35-cp35m-win_amd64.whl
Exception:
Traceback (most recent call last):
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\basecommand.py", line 215, in main
status = self.run(options, args)
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\commands\install.py", line 335, in run
wb.build(autobuilding=True)
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\wheel.py", line 749, in build
self.requirement_set.prepare_files(self.finder)
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\req\req_set.py", line 380, in prepare_files
ignore_dependencies=self.ignore_dependencies))
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\req\req_set.py", line 620, in _prepare_file
session=self.session, hashes=hashes)
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\download.py", line 809, in unpack_url
unpack_file_url(link, location, download_dir, hashes=hashes)
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\download.py", line 715, in unpack_file_url
unpack_file(from_path, location, content_type, link)
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\utils\__init__.py", line 599, in unpack_file
flatten=not filename.endswith('.whl')
File "C:\Users\x\pip3py3\lib\site-packages\pip-9.0.1-py3.5.egg\pip\utils\__init__.py", line 484, in unzip_file
zip = zipfile.ZipFile(zipfp, allowZip64=True)
File "C:\Users\x\AppData\Local\Programs\Python\Python35\lib\zipfile.py", line 1026, in __init__
self._RealGetContents()
File "C:\Users\x\AppData\Local\Programs\Python\Python35\lib\zipfile.py", line 1113, in _RealGetContents
fp.seek(self.start_dir, 0)
OSError: [Errno 22] Invalid argument

My problem was somewhat strange. I solved it by installing numpy+mkl from http://www.lfd.uci.edu/~gohlke/pythonlibs/ and then scipy installation worked for me.

Can't install twython on Python 3.2 (Raspberry Pi)

I'm trying to install twython, but keep getting errors.
First attempt:
pi#raspberrypi ~/twython $ sudo pip-3.2 install twython
Running setup.py egg_info for package requests
Traceback (most recent call last):
File "<string>", line 14, in <module>
File "/home/pi/twython/build/requests/setup.py", line 52, in <module>
exec(f.read(), about)
File "<string>", line 14
__cake__ = u'\u2728 \U0001f370 \u2728'
^
SyntaxError: invalid syntax
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 14, in <module>
File "/home/pi/twython/build/requests/setup.py", line 52, in <module>
exec(f.read(), about)
File "<string>", line 14
__cake__ = u'\u2728 \U0001f370 \u2728'
^
SyntaxError: invalid syntax
----------------------------------------
Command python setup.py egg_info failed with error code 1 in /home/pi/twython/build/requests
Next I searched on the last line of the error and followed some suggestions that said to make sure setuptools and ez_install were installed and up to date, but that didn't help.
Then I followed the backup instructions on ReadtheDocs that said to try to install it this way:
git clone git://github.com/ryanmcgrath/twython.git
cd twython
sudo python3 setup.py install
but it failed again:
File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 640, in install_item
self.process_distribution(spec, dist, deps)
File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 692, in process_distribution
[requirement], self.local_index, self.easy_install
File "/usr/lib/python3/dist-packages/pkg_resources.py", line 576, in resolve
dist = best[req.key] = env.best_match(req, self, installer)
File "/usr/lib/python3/dist-packages/pkg_resources.py", line 822, in best_match
return self.obtain(req, installer) # try and download/install
File "/usr/lib/python3/dist-packages/pkg_resources.py", line 834, in obtain
return installer(requirement)
File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 608, in easy_install
return self.install_item(spec, dist.location, tmpdir, deps)
File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 638, in install_item
dists = self.install_eggs(spec, download, tmpdir)
File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 828, in install_eggs
return self.build_and_install(setup_script, setup_base)
File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 1105, in build_and_install
self.run_setup(setup_script, setup_base, args)
File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 1094, in run_setup
run_setup(setup_script, args)
File "/usr/lib/python3/dist-packages/setuptools/sandbox.py", line 31, in run_setup
lambda: exec(compile(open(
File "/usr/lib/python3/dist-packages/setuptools/sandbox.py", line 73, in run
return func()
File "/usr/lib/python3/dist-packages/setuptools/sandbox.py", line 34, in <lambda>
{'__file__':setup_script, '__name__':'__main__'})
File "setup.py", line 52, in <module>
Error in atexit._run_exitfuncs:
TypeError: 'NoneType' object is not callable

It turns out that Twython cannot work with Python v3.2 because it depends on the requests module which apparently is not supported in Python 3.2.
One of the developers of Twython just explained this to me on Twitter.

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