Version update to 0.5.0
diff --git a/tools/distrib/python/submit.py b/tools/distrib/python/submit.py
index 5d8a917..79ebb93 100755
--- a/tools/distrib/python/submit.py
+++ b/tools/distrib/python/submit.py
@@ -40,7 +40,7 @@
 
 # Make the push.
 cmd = ['python', 'setup.py', 'sdist']
-subprocess.call(cmd)
+subprocess.call(cmd, cwd=pkgdir)
 
 cmd = ['twine', 'upload', '-r', args.repository]
 if args.identity is not None: