Fix lint errors

Author: ihalaij1

aplus_client/interfaces.py

@@ -21,7 +21,7 @@ def none_on_error(*args, exceptions=None, silent=False):
     def wrap(*args, **kwargs):
         try:
             return func(*args, **kwargs)
-        except exceptions as e:
+        except exceptions as e: # pylint: disable=catching-non-exception
             if not silent:
                 logger.info("interface %s raised exception %s", func.__name__, e)
             return None

feedback/forms.py

@@ -137,10 +137,9 @@ def get_notify(self):
         new_msg = "".join(new_msg.split())
         if new_msg == '': # empty message always removes notification
             return Feedback.NOTIFY.REMOVE
-        elif old_msg == '' and new_msg != '': # empty to non-empty sends notification
+        if old_msg == '' and new_msg != '': # empty to non-empty sends notification
             return Feedback.NOTIFY.NORMAL
-        else:
-            return Feedback.NOTIFY.NO # editing non-empty message does not change notification status
+        return Feedback.NOTIFY.NO # editing non-empty message does not change notification status
         # FIXME: add support for instance.NOTIFY.IMPORTANT
 
     def save(self): # pylint: disable=arguments-differ

feedback/tasks.py

@@ -85,7 +85,7 @@ def update_student_tags(self): # pylint: disable=unused-argument
             continue
         # check if course is still in progress
         course_api = client.load_data(course.url)
-        if course_api == None:
+        if course_api is None:
             logger.warning("Could not load course data for %s.", course)
             continue
         course_end = datetime.fromisoformat(course_api.get("ending_time"))