diff --git a/Lib/threading.py b/Lib/threading.py
index d96d99a713e..4433f5ef883 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -608,7 +608,7 @@ class Barrier:
         self._action = action
         self._timeout = timeout
         self._parties = parties
-        self._state = 0 #0 filling, 1, draining, -1 resetting, -2 broken
+        self._state = 0 # 0 filling, 1 draining, -1 resetting, -2 broken
         self._count = 0
 
     def wait(self, timeout=None):