prefix unused vars with _

cms/djangoapps/contentstore/views/assets.py

@@ -176,7 +176,7 @@ def import_course(request, org, course, name):
 
         # find the 'course.xml' file
 
-        for dirpath, dirnames, filenames in os.walk(course_dir):
+        for dirpath, _dirnames, filenames in os.walk(course_dir):
             for files in filenames:
                 if files == 'course.xml':
                     break
@@ -192,13 +192,11 @@ def import_course(request, org, course, name):
             for fname in os.listdir(dirpath):
                 shutil.move(dirpath / fname, course_dir)
 
-        # var module_store is unused
-        # pylint: disable=W0612
-        module_store, course_items = import_from_xml(modulestore('direct'), settings.GITHUB_REPO_ROOT,
-                                                     [course_subdir], load_error_modules=False,
-                                                     static_content_store=contentstore(),
-                                                     target_location_namespace=Location(location),
-                                                     draft_store=modulestore())
+        _module_store, course_items = import_from_xml(modulestore('direct'), settings.GITHUB_REPO_ROOT,
+                                                      [course_subdir], load_error_modules=False,
+                                                      static_content_store=contentstore(),
+                                                      target_location_namespace=Location(location),
+                                                      draft_store=modulestore())
 
         # we can blow this away when we're done importing.
         shutil.rmtree(course_dir)

cms/djangoapps/contentstore/views/preview.py

@@ -96,7 +96,7 @@ def preview_module_system(request, preview_id, descriptor):
     return ModuleSystem(
         ajax_url=reverse('preview_dispatch', args=[preview_id, descriptor.location.url(), '']).rstrip('/'),
         # TODO (cpennington): Do we want to track how instructors are using the preview problems?
-        track_function=lambda type, event: None,
+        track_function=lambda event_type, event: None,
         filestore=descriptor.system.resources_fs,
         get_module=partial(get_preview_module, request, preview_id),
         render_template=render_from_lms,
@@ -171,7 +171,7 @@ def get_module_previews(request, descriptor):
     descriptor: An XModuleDescriptor
     """
     preview_html = []
-    for idx, (instance_state, shared_state) in enumerate(descriptor.get_sample_state()):
+    for idx, (_instance_state, _shared_state) in enumerate(descriptor.get_sample_state()):
         module = load_preview_module(request, str(idx), descriptor)
         preview_html.append(module.get_html())
     return preview_html