diff --git a/Tools/idle/setup.py b/Tools/idle/setup.py
index e0612c2666e..73f3a810c18 100644
--- a/Tools/idle/setup.py
+++ b/Tools/idle/setup.py
@@ -74,7 +74,7 @@ def _bytecode_filenames(self, files):
 as well as a Python shell window and a debugger.""",
 
       cmdclass = {'build_py':idle_build_py,
-                  'install_lib':idle_install_lib}, 
+                  'install_lib':idle_install_lib},
       package_dir = {idlelib:'.'},
       packages = [idlelib],
       scripts = ['idle']