Fix -> Using ModelFormMixin (base class of ApplicationUpdate) without the fields attribute is prohibited.

Author: davidfischer-ch

oauth2_provider/views/application.py

@@ -12,6 +12,7 @@ class ApplicationOwnerIsUserMixin(LoginRequiredMixin):
     This mixin is used to provide an Application queryset filtered by the current request.user.
     """
     model = get_application_model()
+    fields = '__all__'
 
     def get_queryset(self):
         queryset = super(ApplicationOwnerIsUserMixin, self).get_queryset()