use assert[Not]In where appropriate
A patch from Dave Malcolm.
diff --git a/Lib/test/test_tempfile.py b/Lib/test/test_tempfile.py
index 403dd93..d296fac 100644
--- a/Lib/test/test_tempfile.py
+++ b/Lib/test/test_tempfile.py
@@ -160,14 +160,14 @@
for envname in 'TMPDIR', 'TEMP', 'TMP':
dirname = os.getenv(envname)
if not dirname: raise ValueError
- self.assertTrue(dirname in cand)
+ self.assertIn(dirname, cand)
try:
dirname = os.getcwd()
except (AttributeError, os.error):
dirname = os.curdir
- self.assertTrue(dirname in cand)
+ self.assertIn(dirname, cand)
# Not practical to try to verify the presence of OS-specific
# paths in this list.