Python-API: Python 2 support.

Change-Id: I6bc656caf22e284233e27f9e003f11502f306c11
Signed-off-by: Ole Troan <ot@cisco.com>
diff --git a/vpp-api/python/pneum/api-gen.py b/vpp-api/python/pneum/api-gen.py
index 94cc829..b9a9ee3 100755
--- a/vpp-api/python/pneum/api-gen.py
+++ b/vpp-api/python/pneum/api-gen.py
@@ -202,7 +202,7 @@
 # Generate the main Python file
 #
 
-print '''#!/usr/bin/env python3
+print '''
 
 #
 # AUTO-GENERATED FILE. PLEASE DO NOT EDIT.