Traceback (most recent call last):


 "/usr/lib64/python3.6/threading.py", line 916, in _bootstrap_inner

self.run()


 "/usr/lib64/python3.6/threading.py", line 864, in run

self._target(*self._args, **self._kwargs)


 "telethon_2/network/mtprotosender.py", line 385, in _send_loop

body = self.state.pack_message(message)


 "telethon_2/network/mtprotostate.py", line 88, in pack_message

self.auth_key.key[88:88 + 32] + data + padding).digest()
AttributeError: 'NoneType' object has no attribute 'key'

Traceback (most recent call last):


 "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'install_check'
