PyPi is dumb.

setup.py

@@ -54,7 +54,7 @@ dist = setup(
     name = 'supervisor',
     version = '3.0a1',
     license = 'ZPL 2.1/others (see LICENSES.txt)',
-    url = 'http://www.plope.com/software/supervisor2',
+    url = 'http://www.plope.com/software/supervisor2/',
     description = "A system for controlling process state under UNIX",
     long_description= DESC,
     classifiers = CLASSIFIERS,