normalize whitespace.
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index a5381da..28dd691 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -419,7 +419,7 @@
                              STD_INPUT_HANDLE, STD_OUTPUT_HANDLE,
                              STD_ERROR_HANDLE, SW_HIDE,
                              STARTF_USESTDHANDLES, STARTF_USESHOWWINDOW)
-                
+
     __all__.extend(["CREATE_NEW_CONSOLE", "CREATE_NEW_PROCESS_GROUP",
                     "STD_INPUT_HANDLE", "STD_OUTPUT_HANDLE",
                     "STD_ERROR_HANDLE", "SW_HIDE",