Exception in Tkinter callback latitude - python-3.x

Question

from tkinter import *
import phonenumbers
from phonenumbers import carrier
from phonenumbers import geocoder
from phonenumbers import timezone
from timezonefinder import TimezoneFinder
from geopy.geocoders import Nominatim
from datetime import datetime
import pytz
root=Tk()
root.title('Phone Number Traker')
root.geometry('365x584+400+100')
root.resizable(False,False)
def track():
inserisci_numero=entry.get()
number=phonenumbers.parse(inserisci_numero)
locate=geocoder.description_for_number(number,"IT")
country.config(text=locate)
operator=carrier.name_for_number (number,"it")
sim.config (text=operator)
time = timezone.time_zones_for_number(number)
zona.config(text=time)
geolocator= Nominatim(user_agent="geopiExercises")
location= geolocator.geocode(locate)
lng = location.longitude
lat = location.latitude
longitude.config(text=lng)
latitude.config(text=lat)
obj= TimezoneFinder()
result=obj.timezone_at(lng=location.longitude,lat=location.latitude)
home=pytz.timezone(result)
local_time= datetime.now(home)
current_time=local_time.strftime ("%I:%M:%p")
clock.config(text=current_time)
logo=PhotoImage(file="logo image.png")
Label(root,image=logo).place(x=240,y=70)
Heading = Label(root,text ="Traccia",font=("arial",15,"bold"))
Heading.place(x=90,y=110)
Entry_back= PhotoImage(file="search png.png")
Label (root,image=Entry_back).place(x=20,y=190)
entry=StringVar()
inserisci_numero = Entry(root,textvariable=entry,width=17,bd=0,font=
("arial",20),justify="center")
inserisci_numero.place(x=50,y=220)
Serach_image =PhotoImage(file="search.png")
search =Button(image=Serach_image,borderwidth=0,cursor="hand2",bd=0,font=("arial",16),command=
track)
search.place(x=35,y=300)
Box=PhotoImage(file="bottom png.png")
Label(root,image=Box).place(x=-2,y=355)
country=Label(root,text = "Country: ",bg="#57adff",fg="black",font=("arial",10,"bold"))
country.place(x=50,y=400)
sim=Label(root,text = "SIM: ",bg="#57adff",fg="black",font=("arial",10,"bold"))
sim.place(x=200,y=400)
zona=Label(root,text = "Zona: ",bg="#57adff",fg="black",font=("arial",10,"bold"))
zona.place(x=50,y=450)
clock=Label(root,text = "Phone Time: ",bg="#57adff",fg="black",font=("arial",10,"bold"))
clock.place(x=200,y=450)
longitude=Label(root,text = "Longitudine: ",bg="#57adff",fg="black",font=("arial",10,"bold"))
longitude.place(x=50,y=500)
latitude=Label(root,text = "Latitudine: ",bg="#57adff",fg="black",font=("arial",10,"bold"))
latitude.place(x=200,y=500)
root.mainloop()
when I start the application I can't see on the screen, neither the
country nor the position. what did i do wrong? using pytnon 3.10. I
am going crazy