- re.sub('\+[^\d\s\+]+', '', nonnormal),
+ re.sub(r'\+[^\d\s\+]+', '', nonnormal),
reader.stripped_manifest())
# Ensure stripped_manifest() didn't mutate our reader.
self.assertEqual(nonnormal, reader.manifest_text())
reader.stripped_manifest())
# Ensure stripped_manifest() didn't mutate our reader.
self.assertEqual(nonnormal, reader.manifest_text())