diff --git a/homeassistant/components/hue/v2/helpers.py b/homeassistant/components/hue/v2/helpers.py
index 1c26652ce25..307e7c55e03 100644
--- a/homeassistant/components/hue/v2/helpers.py
+++ b/homeassistant/components/hue/v2/helpers.py
@@ -2,8 +2,7 @@
 
 
 def normalize_hue_brightness(brightness):
-    """Returns calculated brightness values"""
-
+    """Return calculated brightness values."""
     if brightness is not None:
         # Hue uses a range of [0, 100] to control brightness.
         brightness = float((brightness / 255) * 100)
@@ -12,8 +11,7 @@ def normalize_hue_brightness(brightness):
 
 
 def normalize_hue_transition(transition):
-    """Returns rounded transition values"""
-
+    """Return rounded transition values."""
     if transition is not None:
         # hue transition duration is in milliseconds and round them to 100ms
         transition = int(round(transition, 1) * 1000)