Werkzeug Internal Server Error

traceback.txt

Traceback (most recent call last):
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\_compat.py", line 33, in reraise
    raise value
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\_compat.py", line 33, in reraise
    raise value
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\flask\app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\eve\endpoints.py", line 53, in collections_endpoint
    response = get(resource, lookup)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\eve\methods\common.py", line 226, in rate_limited
    return f(*args, **kwargs)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\eve\auth.py", line 45, in decorated
    return f(*args, **kwargs)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\eve\methods\common.py", line 425, in decorated
    getattr(app, event_name)(resource, request)
  File "C:\Users\MattiasJohansson\Envs\locashop\lib\site-packages\events\events.py", line 73, in __call__
    f(*a, **kw)
TypeError: pre_get_callback() missing 1 required positional argument: 'lookup'