show message only on dev

notebook/notebookapp.py

@@ -6,6 +6,7 @@
 
 from __future__ import absolute_import, print_function
 
+import notebook
 import binascii
 import datetime
 import errno
@@ -1345,7 +1346,11 @@ class NotebookApp(JupyterApp):
         for line in self.notebook_info().split("\n"):
             info(line)
         info("Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).")
-        info("Welcome to Project Jupyter! Explore the various tools available and their corresponding documentation. If you are interested in contributing to the platform, please visit the community resources section at http://jupyter.org/community.html.")
+        if 'dev' in notebook.__version__:
+            info("Welcome to Project Jupyter! Explore the various tools available"
+                 " and their corresponding documentation. If you are interested"
+                 " in contributing to the platform, please visit the community"
+                 "resources section at http://jupyter.org/community.html.")
 
         self.write_server_info_file()