diff --git a/docs/en_us/platform_api/source/conf.py b/docs/en_us/platform_api/source/conf.py
index 36532a8f1b..41df4a3c25 100644
--- a/docs/en_us/platform_api/source/conf.py
+++ b/docs/en_us/platform_api/source/conf.py
@@ -42,7 +42,7 @@ MOCK_MODULES = [
     'Location',
 ]
 
-for mod_name in MOCK_MODULES: 
+for mod_name in MOCK_MODULES:
     sys.modules[mod_name] = mock.Mock()
 
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'