use assert[Not]In where appropriate
diff --git a/Lib/test/test_dbm.py b/Lib/test/test_dbm.py
index 43f8a5b..41b0b5c 100755
--- a/Lib/test/test_dbm.py
+++ b/Lib/test/test_dbm.py
@@ -21,9 +21,9 @@
self.d[k] = v
self.assertEqual(sorted(self.d.keys()), sorted(k for (k, v) in a))
for k, v in a:
- self.assertTrue(k in self.d)
+ self.assertIn(k, self.d)
self.assertEqual(self.d[k], v)
- self.assertTrue('xxx' not in self.d)
+ self.assertNotIn('xxx', self.d)
self.assertRaises(KeyError, lambda: self.d['xxx'])
self.d.close()