diff -Nur httplib2-0.11.3.orig/python2/httplib2/__init__.py httplib2-0.11.3/python2/httplib2/__init__.py
--- httplib2-0.11.3.orig/python2/httplib2/__init__.py	2018-06-10 17:27:19.397359583 -0700
+++ httplib2-0.11.3/python2/httplib2/__init__.py	2018-06-10 17:27:57.789525463 -0700
@@ -895,7 +895,11 @@
     else:
         port = dict(https=443, http=80)[method]
 
-    proxy_type = 3  # socks.PROXY_TYPE_HTTP
+    if method == 'http':
+       proxy_type = 4 # socks.PROXY_TYPE_HTTP_NO_TUNNEL
+    else:
+       proxy_type = 3 # socks.PROXY_TYPE_HTTP
+
     pi = ProxyInfo(
         proxy_type = proxy_type,
         proxy_host = host,