Index: distutils/distutils/command/upload.py
===================================================================
--- distutils/distutils/command/upload.py	(revision 76938)
+++ distutils/distutils/command/upload.py	(working copy)
@@ -129,8 +129,8 @@
                                      open(filename+".asc").read())
 
         # set up the authentication
-        auth = "Basic " + base64.encodestring(self.username + ":" +
-                                              self.password).strip()
+        auth = "Basic " + base64.standard_b64encode(self.username + ":" +
+                                                    self.password).strip()
 
         # Build up the MIME payload for the POST data
         boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'