re.escape os.sep so that \ is interpreted properly in the regex.
diff --git a/Lib/lib2to3/tests/test_main.py b/Lib/lib2to3/tests/test_main.py
index 455d8a7..7f8b25c 100644
--- a/Lib/lib2to3/tests/test_main.py
+++ b/Lib/lib2to3/tests/test_main.py
@@ -3,6 +3,7 @@
import codecs
import logging
import os
+import re
import shutil
import StringIO
import sys
@@ -104,10 +105,11 @@
self.assertIn("Writing converted %s to %s" % (
os.path.join(self.py2_src_dir, name),
os.path.join(self.py3_dest_dir, name+suffix)), stderr)
+ sep = re.escape(os.sep)
self.assertRegexpMatches(
- stderr, r"No changes to .*/__init__\.py".replace("/", os.sep))
+ stderr, r"No changes to .*/__init__\.py".replace("/", sep))
self.assertNotRegex(
- stderr, r"No changes to .*/trivial\.py".replace("/", os.sep))
+ stderr, r"No changes to .*/trivial\.py".replace("/", sep))
def test_filename_changing_on_output_two_files(self):
"""2to3 two files in one directory with a new output dir."""