Use the right exception to catch local_settings not existing

dc/settings.py

@@ -188,7 +188,7 @@ IMPERSONATE_TEST_FIXTURE = "dc.unittest.ImpersonateFixtureMixin"
 # fine, use defaults from this file
 try:
     from dc.local_settings import *  # noqa
-except Exception:
+except ModuleNotFoundError:
     pass
 
 # Log to file on top of the normal django logging