Slash encoding for http+unix URI.

Author: kwlzn

notebook/notebookapp.py

@@ -1536,7 +1536,10 @@ def connection_url(self):
             return self._tcp_url(ip)
 
     def _unix_sock_url(self):
-        return 'http+unix://%s/%s' % (self.sock, self.base_url)
+        return 'http+unix://%s/%s' % (
+            self.sock.replace('/', '%2F'),
+            self.base_url
+        )
 
     def _tcp_url(self, ip):
         proto = 'https' if self.certfile else 'http'