diff -urNp -x '*.orig' httplib2-0.18.1.org/python2/httplib2/__init__.py httplib2-0.18.1/python2/httplib2/__init__.py
--- httplib2-0.18.1.org/python2/httplib2/__init__.py	2020-05-20 21:56:40.000000000 +0200
+++ httplib2-0.18.1/python2/httplib2/__init__.py	2021-03-04 20:42:47.647805415 +0100
@@ -1122,7 +1122,10 @@ def proxy_info_from_url(url, method="htt
     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,