Add missing socket import
diff --git a/Lib/distutils/command/upload.py b/Lib/distutils/command/upload.py
index 266e9b1..d1d5ec6 100644
--- a/Lib/distutils/command/upload.py
+++ b/Lib/distutils/command/upload.py
@@ -8,6 +8,7 @@
 from distutils import log
 from md5 import md5
 import os
+import socket
 import platform
 import ConfigParser
 import httplib