fix pylint violations

common/lib/xmodule/xmodule/contentstore/content.py

@@ -102,7 +102,11 @@ class StaticContent(object):
 
     @staticmethod
     def convert_legacy_static_url_with_course_id(path, course_id):
-        org, course_num, run = course_id.split("/")
+        """
+        Returns a path to a piece of static content when we are provided with a filepath and
+        a course_id
+        """
+        org, course_num, __ = course_id.split("/")
         loc = StaticContent.compute_location(org, course_num, path)
         return StaticContent.get_url_path_from_location(loc)
 

common/lib/xmodule/xmodule/modulestore/__init__.py

@@ -457,10 +457,16 @@ class ModuleStoreBase(ModuleStore):
 
     @property
     def metadata_inheritance_cache_subsystem(self):
+        """
+        Exposes an accessor to the runtime configuration for the metadata inheritance cache
+        """
         return self.modulestore_configuration.get('metadata_inheritance_cache_subsystem', None)
 
     @property
     def request_cache(self):
+        """
+        Exposes an accessor to the runtime configuration for the request cache
+        """
         return self.modulestore_configuration.get('request_cache', None)
 
     def set_modulestore_configuration(self, config_dict):

lms/envs/cms/mixed_dev.py

@@ -2,7 +2,11 @@
 This configuration is to run the MixedModuleStore on a localdev environment
 """
 
-from .dev import *
+# We intentionally define lots of variables that aren't used, and
+# want to import all variables from base settings files
+# pylint: disable=W0401, W0614
+
+from .dev import *, DATA_DIR
 
 MODULESTORE = {
     'default': {