PYTZ module time zone not found for TU country code

[salim ep]

## Tunisia, Time zone not listed in PYTZ module

from pytz import timezone, country_timezones
my_timezone= str(country_timezones['TU'][0]).strip('\]').strip('\[').strip('\'')

Traceback (most recent call last):
  File "C:/Users/Salim.Ep/PycharmProjects/shift/venv/param.py", line 32, in <module>
    my_timezone= str(country_timezones['TU'][0]).strip('\]').strip('\[').strip('\'')
  File "C:\Users\Salim.Ep\PycharmProjects\shift\venv\lib\site-packages\pytz\lazy.py", line 28, in __getitem__
    return self.data[key.upper()]
KeyError: 'TU'