--- http.py	2019-05-03 15:07:52.591411824 -0700
+++ http_new.py	2019-05-03 15:09:23.470304022 -0700
@@ -1784,4 +1784,4 @@
     http_timeout = socket.getdefaulttimeout()
   else:
     http_timeout = DEFAULT_HTTP_TIMEOUT_SEC
-  return httplib2.Http(timeout=http_timeout)
+  return set_user_agent(httplib2.Http(timeout=http_timeout), '-kfpipeline-')