diff --git a/Tools/px_generate_uorb_topic_headers.py b/Tools/px_generate_uorb_topic_headers.py
index 8d6a123163..c7ed72d582 100755
--- a/Tools/px_generate_uorb_topic_headers.py
+++ b/Tools/px_generate_uorb_topic_headers.py
@@ -46,6 +46,7 @@ import argparse
 try:
         import genmsg.template_tools
 except ImportError as e:
+        print("python import error: ", e)
         print('''
 Required python packages not installed.