Recover the fix so the test should pass

Author: oeway

jupyter_server_proxy/handlers.py

@@ -140,7 +140,7 @@ def get_client_uri(self, protocol, host, port, proxied_path):
         else:
             client_path = proxied_path
 
-        # client_path = quote(client_path)
+        client_path = quote(client_path)
 
         client_uri = '{protocol}://{host}:{port}{path}'.format(
             protocol=protocol,