Fix a few issues caused by the refactoring.

jedi/evaluate/helpers.py

@@ -26,7 +26,8 @@ def deep_ast_copy(obj, parent=None, new_elements=None):
         new_children = []
         for child in obj.children:
             typ = child.type
-            if typ in ('whitespace', 'operator', 'keyword', 'number', 'string'):
+            if typ in ('whitespace', 'operator', 'keyword', 'number', 'string',
+                       'indent', 'dedent'):
                 # At the moment we're not actually copying those primitive
                 # elements, because there's really no need to. The parents are
                 # obviously wrong, but that's not an issue.