Don't munge unknown fields in algorithm.Transformer.

whitequark · whitequark · commit 19f24b6fcb5a · 2015-06-13T13:50:04.000+03:00
diff --git a/pythonparser/algorithm.py b/pythonparser/algorithm.py
@@ -82,6 +82,8 @@ def visit(self, obj):
             return list(filter(lambda x: x is not None, map(self.visit, obj)))
         elif isinstance(obj, ast.AST):
             return self._visit_one(obj)
+        else:
+            return obj
 
 def compare(left, right, compare_locs=False):
     """
