Raise statement normalization in Lib/.
diff --git a/Lib/threading.py b/Lib/threading.py
index 1ad5664..ce95e40 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -326,7 +326,7 @@
 
     def release(self):
         if self._value >= self._initial_value:
-            raise ValueError, "Semaphore released too many times"
+            raise ValueError("Semaphore released too many times")
         return _Semaphore.release(self)