code: def no_auth(self):
          
          old_basic_auth, self.auth = self.auth, None
          old_token_auth = self.headers.pop('Authorization', None)
  
          yield
  
          self.auth = old_basic_auth
          if old_token_auth:
              self.headers['Authorization'] = old_token_auth
docs: Unset authentication temporarily as a context manager.