Merge pull request #3703 from minrk/public-host

add `or 127.0.0.1` when listening on all-ips

Author: takluyver

notebook/notebookapp.py

@@ -1358,7 +1358,7 @@ def display_url(self):
                 url += '/'
         else:
             if self.ip in ('', '0.0.0.0'):
-                ip = socket.gethostname()
+                ip = "(%s or 127.0.0.1)" % socket.gethostname()
             else:
                 ip = self.ip
             url = self._url(ip)