parameters: (self)
docstring: sqlalchemy connection close. 
          fixed sqlalchemy error: 'Can't reconnect until invalid'. new in version 2.2
docstring_summary: sqlalchemy connection close. 
          fixed sqlalchemy error: 'Can't reconnect until invalid'. new in version 2.2
docstring_tokens: sqlalchemy connection close . fixed sqlalchemy error : Can t reconnect until invalid . new in version 2 . 2
function: def on_finish(self):
          """sqlalchemy connection close. 
          fixed sqlalchemy error: 'Can't reconnect until invalid'. new in version 2.2"""
          db.session.remove()
function_tokens: def on_finish ( self ) : db . session . remove ( )