Traceback (most recent call last):
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\flask\app.py", line 2091, in __call__
    return self.wsgi_app(environ, start_response)
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\flask\app.py", line 2076, in wsgi_app
    response = self.handle_exception(e)
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\flask\app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\flask\app.py", line 1518, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\flask\app.py", line 1516, in full_dispatch_request
    rv = self.dispatch_request()
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\flask\app.py", line 1502, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "C:\Users\user\OneDrive\Desktop\flaskcodeusethis\flaskblog2\app\payment\routes.py", line 95, in donations
    payment_db = Payments(price_of_donation=price_of_donation_form, item_name='Donate' , email=email_form)
  File "<string>", line 2, in __init__

  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\sqlalchemy\orm\instrumentation.py", line 388, in _new_state_if_none
    state = self._state_constructor(instance, self)
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\sqlalchemy\util\langhelpers.py", line 893, in __get__
    obj.__dict__[self.__name__] = result = self.fget(obj)
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\sqlalchemy\orm\instrumentation.py", line 214, in _state_constructor
    self.dispatch.first_init(self, self.class_)
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\sqlalchemy\event\attr.py", line 322, in __call__
    fn(*args, **kw)
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\sqlalchemy\orm\mapper.py", line 3411, in _event_on_first_init
    configure_mappers()
  File "C:\Users\user\anaconda3\envs\py\Lib\site-packages\sqlalchemy\orm\mapper.py", line 3295, in configure_mappers
    raise e
sqlalchemy.exc.InvalidRequestError: One or more mappers failed to initialize - can't proceed with initialization of other mappers. Triggering mapper: 'mapped class User->user'. Original exception was: When initializing mapper mapped class User->user, expression 'Payment' failed to locate a name ('Payment'). If this is a class name, consider adding this relationship() to the <class 'app.models.User'> class after both dependent classes have been defined