diff --git a/spyderlib/utils/introspection/base.py b/spyderlib/utils/introspection/base.py
index <HASH>..<HASH> 100644
--- a/spyderlib/utils/introspection/base.py
+++ b/spyderlib/utils/introspection/base.py
@@ -7,6 +7,7 @@
 """

 Introspection utilities used by Spyder

 """

+

 from __future__ import print_function

 import imp

 import os

@@ -14,7 +15,6 @@ import os.path as osp
 import re

 import time

 import functools

-from collections import OrderedDict

 

 from spyderlib.baseconfig import DEBUG, get_conf_path, debug_print

 from spyderlib.py3compat import PY2

@@ -61,7 +61,7 @@ def memoize(obj):
 

     See https://wiki.python.org/moin/PythonDecoratorLibrary#Memoize

     """

-    cache = obj.cache = OrderedDict()

+    cache = obj.cache = {}

 

     @functools.wraps(obj)

     def memoizer(*args, **kwargs):
Python <I> compatibility: Remove usage of OrderedDict (it was added in <I>)