diff --git a/homeassistant/components/google_cloud/tts.py b/homeassistant/components/google_cloud/tts.py
index 92d9d1c2324..4e7c88c13be 100644
--- a/homeassistant/components/google_cloud/tts.py
+++ b/homeassistant/components/google_cloud/tts.py
@@ -121,7 +121,7 @@ class GoogleCloudTTSProvider(Provider):
     def __init__(
             self,
             hass,
-            key_file = None,
+            key_file=None,
             language=DEFAULT_LANG,
             gender=DEFAULT_GENDER,
             voice=DEFAULT_VOICE,