From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 5 Dec 2015 08:29:56 +0000 (-0800)
Subject: make consulting save_modules O(1) rather than O(n)
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f9d11e815a6d671714c27bd8d5ab2f4922c3eec6;p=python

make consulting save_modules O(1) rather than O(n)
---

diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 0007da64b8..5239d5a246 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -462,7 +462,7 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
 
     test_times = []
     test_support.use_resources = use_resources
-    save_modules = sys.modules.keys()
+    save_modules = set(sys.modules.keys())
 
     def accumulate_result(test, result):
         ok, test_time = result