diff -r f0fbc6071d7e Lib/http/client.py
--- a/Lib/http/client.py	Sat Oct 29 10:50:00 2016 +0300
+++ b/Lib/http/client.py	Mon Oct 31 21:35:27 2016 +0100
@@ -295,7 +295,7 @@
         # read until we get a non-100 response
         while True:
             version, status, reason = self._read_status()
-            if status != CONTINUE:
+            if status >= http.HTTPStatus.OK:
                 break
             # skip the header from the 100 response
             while True: