Set hostname correctly when keep_alive=True and resolve_ip=False.

Author: juangj

py/selenium/webdriver/remote/remote_connection.py

@@ -166,7 +166,7 @@ def __init__(self, remote_server_addr, keep_alive=False, resolve_ip=True):
         # Attempt to resolve the hostname and get an IP address.
         self.keep_alive = keep_alive
         parsed_url = parse.urlparse(remote_server_addr)
-        addr = ""
+        addr = parsed_url.hostname
         if parsed_url.hostname and resolve_ip:
             port = parsed_url.port or None
             ip = common_utils.find_connectable_ip(parsed_url.hostname,