tools/examples: hardcode #!/usr/bin/python shebang
diff --git a/examples/networking/simple_tc.py b/examples/networking/simple_tc.py
index 4dd8aa5..ec0a3e7 100755
--- a/examples/networking/simple_tc.py
+++ b/examples/networking/simple_tc.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")