From 2a481e58ffe7d7719b856e2778751521d266d33a Mon Sep 17 00:00:00 2001 From: Benjamin Peterson Date: Wed, 18 Apr 2012 15:25:50 -0400 Subject: [PATCH] don't bother keeping a set we'll never use --- Lib/importlib/_bootstrap.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py index 142461aaf23..6478db5d23e 100644 --- a/Lib/importlib/_bootstrap.py +++ b/Lib/importlib/_bootstrap.py @@ -842,7 +842,8 @@ class _FileFinder: # We store two cached versions, to handle runtime changes of the # PYTHONCASEOK environment variable. self._path_cache = set(contents) - self._relaxed_path_cache = set(fn.lower() for fn in contents) + if sys.platform.startswith(CASE_INSENSITIVE_PLATFORMS): + self._relaxed_path_cache = set(fn.lower() for fn in contents) class _SourceFinderDetails: