Matthias

A great explanation of the relevant uwsgi options (lazy-apps, enable-threads, master, single-interpreter) can be found here: https://docs.newrelic.com/docs/apm/agents/python-agent/web-frameworks-servers/python-agent-uwsgi-web-server/ @llaagg Maybe it's worth to mention the other options in ms docs as...

In my application, simply removing those lines breaks the display in the admin view. I recommend keeping the code, but replacing `flat_choices = super(MultiSelectField, self)._get_flatchoices()` by `flat_choices = super(MultiSelectField, self).flatchoices`...