Fix user perms for course detail page

apps/course/views.py

@@ -151,7 +151,9 @@ class CourseEditView(TemplateView):
     template_name = 'course/course_edit.html'
 
     def get(self, request, pk=None):
-        drafts = Course.objects.filter(author=request.user, status=Course.DRAFT)
+        drafts = Course.objects.filter(
+            author=request.user, status=Course.DRAFT
+        )
         if pk:
             self.object = get_object_or_404(Course, pk=pk)
         elif drafts.exists():
@@ -175,9 +177,7 @@ class CourseView(DetailView):
 
     def get(self, request, *args, **kwargs):
         response = super().get(request, *args, **kwargs)
-        if (self.object.status != Course.PUBLISHED and
-                (request.user.role not in [User.AUTHOR_ROLE, User.ADMIN_ROLE] or
-                 self.object.author != request.user)):
+        if (self.object.status != Course.PUBLISHED and request.user.role not in [User.AUTHOR_ROLE, User.ADMIN_ROLE]) or self.object.author != request.user:
             raise Http404
         return response