python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/lib2to3/fixes/fix_ne.py

@@ -0,0 +1,23 @@
+# Copyright 2006 Google, Inc. All Rights Reserved.
+# Licensed to PSF under a Contributor Agreement.
+
+"""Fixer that turns <> into !=."""
+
+# Local imports
+from .. import pytree
+from ..pgen2 import token
+from .. import fixer_base
+
+
+class FixNe(fixer_base.BaseFix):
+    # This is so simple that we don't need the pattern compiler.
+
+    _accept_type = token.NOTEQUAL
+
+    def match(self, node):
+        # Override
+        return node.value == "<>"
+
+    def transform(self, node, results):
+        new = pytree.Leaf(token.NOTEQUAL, "!=", prefix=node.prefix)
+        return new