diff -r 849826a900d2 Lib/http/client.py
--- a/Lib/http/client.py	Tue Oct 25 21:49:19 2016 -0500
+++ b/Lib/http/client.py	Wed Oct 26 12:11:55 2016 -0700
@@ -884,8 +884,8 @@
                 host = host[:i]
             else:
                 port = self.default_port
-            if host and host[0] == '[' and host[-1] == ']':
-                host = host[1:-1]
+        if host and host[0] == '[' and host[-1] == ']':
+            host = host[1:-1]
 
         return (host, port)