STY: ws changes

unittests/test_cache.py

@@ -94,6 +94,7 @@ class CacheTest(unittest.TestCase):
         self.assertEqual(self.cache.check_existing(hashes[0])[0], 1001)
         self.assertEqual(self.cache.check_existing(hashes[2])[0], 1003)
 
+
 def create_sqlite_file(commands):
     """
     A temporary file will be used
@@ -109,6 +110,7 @@ def create_sqlite_file(commands):
     conn.close()
     return db_file
 
+
 class CacheTest2(unittest.TestCase):
     """
     Test the schema version.
@@ -145,8 +147,6 @@ class CacheTest2(unittest.TestCase):
                  ("INSERT INTO version VALUES (?)", (1,)),
                  ("INSERT INTO version VALUES (?)", (3,))])])
 
-
-
     def test_schema(self):
         # Test whether new cache is created correctly:
         assert os.path.exists(self.cache.db_file)
@@ -175,6 +175,7 @@ class CacheTest2(unittest.TestCase):
         for db_fn_defect in self.db_file_defect:
             os.remove(db_fn_defect)
 
+
 class InvalidationTest(unittest.TestCase):
     """
     Test invalidation of cache entries.
@@ -188,7 +189,6 @@ class InvalidationTest(unittest.TestCase):
     def tearDown(self):
         os.remove(self.cache.db_file)
 
-
     def test_invalid(self):
         ent = db.Record()
         ent2 = db.Record()