proper poster imports

requests/__init__.py

@@ -1,3 +1,4 @@
 # -*- coding: utf-8 -*-
 
+import packages
 from .core import *

requests/packages/poster/__init__.py

@@ -26,7 +26,7 @@ New releases of poster will always have a version number that compares greater
 than an older version of poster.
 New in version 0.6."""
 
-import poster.streaminghttp
-import poster.encode
+import streaminghttp
+import encode
 
 version = (0, 8, 0) # Thanks JP!