From e8d8426d7271157b119f5ac6d641ed3347b727b8 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <raymond.hettinger@gmail.com>
Date: Fri, 15 Dec 2017 10:06:30 -0800
Subject: [PATCH] OrderedDict import is no longer needed

---
 Lib/argparse.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Lib/argparse.py b/Lib/argparse.py
index d8bbd352fd3a501..e3da7f0443cfa28 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -83,7 +83,6 @@
 ]
 
 
-import collections as _collections
 import os as _os
 import re as _re
 import sys as _sys
@@ -1084,7 +1083,7 @@ def __init__(self,
 
         self._prog_prefix = prog
         self._parser_class = parser_class
-        self._name_parser_map = _collections.OrderedDict()
+        self._name_parser_map = {}
         self._choices_actions = []
 
         super(_SubParsersAction, self).__init__(