TelegramAuth get_username get 'int' object is not subscriptable error

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Expected behaviour

the user should not receive errors

Actual behaviour

the user receive errors:
'int' object is not subscriptable
in social_core/pipeline/user.py in get_username at line 46

Any logs, error output, etc?

'int' object is not subscriptable
in social_core/pipeline/user.py in get_username at line 46

Any other comments?

if the user does not have a username in telegram, then he cannot log in

this happens because in social_core.backends.telegram.TelegramAuth
if the user does not have a username, it is replaced with an id with the int type

For myself I'm going to fix it like this:

class CustomTelegramAuth(TelegramAuth):
    def get_user_details(self, response):
        first_name = response.get("first_name", "")
        last_name = response.get("last_name", "")
        fullname = f"{first_name} {last_name}".strip()
        return {
            "username": response.get("username") or str(response[self.ID_KEY]),
            "first_name": first_name,
            "last_name": last_name,
            "fullname": fullname,
        }

old
"username": response.get("username") or response[self.ID_KEY],
new
"username": response.get("username") or str(response[self.ID_KEY]),

It seems that the same thing can be done here, so that others do not experience similar problems

[nijel]

Can you please create a pull request with the change?

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#921
here it is