Removed unneeded NoneType visit method

Juanjo Alvarez · Juanjo Alvarez · commit 380d63cdf68d · 2017-09-12T17:44:44.000+02:00
diff --git a/native/python_package/python_driver/astimprove.py b/native/python_package/python_driver/astimprove.py
@@ -473,11 +473,6 @@ def visit_Bytes(self, node):
         node.update({"s": s, "encoding": encoding})
         return node
 
-    def visit_NoneType(self, node):
-        node.update({"LiteralValue": "None",
-                     "ast_type": "NoneLiteral"})
-        return node
-
     def _promote_names(self, node):
         # Python AST by default stores global and nonlocal variable names
         # in a "names" array of strings. That breaks the structure of everything
