Fix PEP8: E301 expected 1 blank line, found 0

common/lib/xmodule/xmodule/modulestore/split_mongo/split.py

@@ -1442,6 +1442,7 @@ class SplitMongoModuleStore(SplitBulkWriteMixin, ModuleStoreWriteBase):
         return new_course
 
     DEFAULT_ROOT_BLOCK_ID = 'course'
+
     def create_course(
         self, org, course, run, user_id, master_branch=None, fields=None,
         versions_dict=None, search_targets=None, root_category='course',

common/lib/xmodule/xmodule/modulestore/tests/test_split_modulestore_bulk_operations.py

@@ -439,6 +439,7 @@ class TestBulkWriteMixinFindMethods(TestBulkWriteMixin):
         def db_structure(_id):
             previous, _, current = _id.partition('.')
             return {'db': 'structure', 'previous_version': previous, '_id': current}
+
         def active_structure(_id):
             previous, _, current = _id.partition('.')
             return {'active': 'structure', 'previous_version': previous, '_id': current}

common/lib/xmodule/xmodule/timeinfo.py

@@ -14,6 +14,7 @@ class TimeInfo(object):
 
     """
     _delta_standin = Timedelta()
+
     def __init__(self, due_date, grace_period_string_or_timedelta):
         if due_date is not None:
             self.display_due_date = due_date