Revert "Code clean"

This reverts commit b8bec3327d.

tests/test_extension.py

@@ -6,6 +6,7 @@ from mopidy_touchscreen import Extension, touch_screen as frontend_lib
 
 
 class ExtensionTest(unittest.TestCase):
+
     def test_get_default_config(self):
         ext = Extension()
 
@@ -20,7 +21,7 @@ class ExtensionTest(unittest.TestCase):
         schema = ext.get_config_schema()
 
         # TODO Test the content of your config schema
-        # self.assertIn('username', schema)
+        #self.assertIn('username', schema)
         #self.assertIn('password', schema)
 
-        # TODO Write more tests
+    # TODO Write more tests