parameters: (self)
return_statement: return True if self.session.user_id is not None else False
docstring: True if the user has been authenticated in the system,
          false otherwise
docstring_summary: True if the user has been authenticated in the system,
          false otherwise
docstring_tokens: True if the user has been authenticated in the system false otherwise
function: def is_auth(self):
          """ True if the user has been authenticated in the system,
          false otherwise
  
          """
          return True if self.session.user_id is not None else False
function_tokens: def is_auth ( self ) : return True if self . session . user_id is not None else False