[Python-checkins] cpython: Issue 25147: add reason for using _collections

[ethan.furman]

https://hg.python.org/cpython/rev/c0363f849624
changeset:   98028:c0363f849624
user:        Ethan Furman <ethan at stoneleaf.us>
date:        Thu Sep 17 22:55:40 2015 -0700
summary:
  Issue 25147: add reason for using _collections

files:
  Lib/enum.py |  1 +
  1 files changed, 1 insertions(+), 0 deletions(-)


diff --git a/Lib/enum.py b/Lib/enum.py
--- a/Lib/enum.py
+++ b/Lib/enum.py
@@ -1,6 +1,7 @@
 import sys
 from types import MappingProxyType, DynamicClassAttribute
 
+# try _collections first to reduce startup cost
 try:
     from _collections import OrderedDict
 except ImportError:

-- 
Repository URL: https://hg.python.org/cpython