Failed to get real commands on module "mxonline": python process died with code 1: Traceback (most recent call last):

  File "/Applications/PyCharm.app/Contents/helpers/pycharm/_jb_manage_tasks_provider.py", line 25, in <module>

    django.setup()

  File "/Users/gezhou/.virtualenvs/mxonline/lib/python3.6/site-packages/django/__init__.py", line 19, in setup

    configure_logging(settings.LOGGING_CONFIG, settings.LOGGING)

  File "/Users/gezhou/.virtualenvs/mxonline/lib/python3.6/site-packages/django/conf/__init__.py", line 57, in __getattr__

    self._setup(name)

  File "/Users/gezhou/.virtualenvs/mxonline/lib/python3.6/site-packages/django/conf/__init__.py", line 42, in _setup

    % (desc, ENVIRONMENT_VARIABLE)) 

django.core.exceptions.ImproperlyConfigured: Requested setting LOGGING_CONFIG, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings. 

搜了一圈没找见