used_names -> get_used_names().

jedi/evaluate/compiled/__init__.py

@@ -50,7 +50,7 @@ class CheckAttribute(object):
 
 class CompiledObject(Context):
     path = None  # modules have this attribute - set it to None.
-    used_names = {}  # To be consistent with modules.
+    used_names = lambda self: {}  # To be consistent with modules.
 
     def __init__(self, evaluator, obj, parent_context=None, faked_class=None):
         super(CompiledObject, self).__init__(evaluator, parent_context)

jedi/evaluate/compiled/fake.py

@@ -198,7 +198,7 @@ def get_faked(evaluator, module, obj, name=None, parent_context=None):
 
     faked, fake_module = _get_faked(module and module.obj, obj, name)
     if module is not None:
-        module.used_names = fake_module.used_names
+        module.get_used_names = fake_module.get_used_names
     return faked
 
 

jedi/evaluate/compiled/mixed.py

@@ -145,7 +145,7 @@ def find_syntax_node_name(evaluator, python_object):
 
     # Doesn't always work (e.g. os.stat_result)
     try:
-        names = module.used_names[name_str]
+        names = module.get_used_names()[name_str]
     except KeyError:
         return None, None
     names = [n for n in names if n.is_definition()]