C:\Users\User\AppData\Local\Programs\Python\Python36-32\python.exe C:/Users/User/PycharmProjects/tele/main.py
Traceback (most recent call last):
  File "C:\Users\User\AppData\Local\Programs\Python\Python36-32\lib\site-packages\telethon\tl\entity_database.py", line 137, in _parse_key
    return self._phone_id[phone]
KeyError: '9725xxxx674'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\User\AppData\Local\Programs\Python\Python36-32\lib\site-packages\telethon\tl\entity_database.py", line 159, in __getitem__
    return self._entities[self._parse_key(key)]
  File "C:\Users\User\AppData\Local\Programs\Python\Python36-32\lib\site-packages\telethon\tl\entity_database.py", line 141, in _parse_key
    raise ValueError() from e
ValueError

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\User\AppData\Local\Programs\Python\Python36-32\lib\site-packages\telethon\telegram_client.py", line 968, in _get_entity_from_string
    return self.session.entities[entity]
  File "C:\Users\User\AppData\Local\Programs\Python\Python36-32\lib\site-packages\telethon\tl\entity_database.py", line 161, in __getitem__
    raise KeyError(key) from e
KeyError: '972xxxxx674'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:/Users/User/PycharmProjects/tele/main.py", line 45, in <module>
    da = client.get_entity(phone)
  File "C:\Users\User\AppData\Local\Programs\Python\Python36-32\lib\site-packages\telethon\telegram_client.py", line 949, in get_entity
    return self._get_entity_from_string(entity)
  File "C:\Users\User\AppData\Local\Programs\Python\Python36-32\lib\site-packages\telethon\telegram_client.py", line 971, in _get_entity_from_string
    'Could not find user with username {}'.format(entity)
ValueError: Could not find user with username 972xxxx74

Process finished with exit code 1