diff options
| -rw-r--r-- | Lib/operator.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_operator.py | 3 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2021-07-04-21-16-53.bpo-44558.cm7Slv.rst | 2 |
3 files changed, 6 insertions, 1 deletions
diff --git a/Lib/operator.py b/Lib/operator.py index fb58851..6782703 100644 --- a/Lib/operator.py +++ b/Lib/operator.py @@ -173,7 +173,7 @@ def getitem(a, b): def indexOf(a, b): "Return the first index of b in a." for i, j in enumerate(a): - if j == b: + if j is b or j == b: return i else: raise ValueError('sequence.index(x): x not in sequence') diff --git a/Lib/test/test_operator.py b/Lib/test/test_operator.py index 1ecae85..d50306b 100644 --- a/Lib/test/test_operator.py +++ b/Lib/test/test_operator.py @@ -188,6 +188,9 @@ class OperatorTestCase: self.assertRaises(ZeroDivisionError, operator.indexOf, BadIterable(), 1) self.assertEqual(operator.indexOf([4, 3, 2, 1], 3), 1) self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0) + nan = float("nan") + self.assertEqual(operator.indexOf([nan, nan, 21], nan), 0) + self.assertEqual(operator.indexOf([{}, 1, {}, 2], {}), 0) def test_invert(self): operator = self.module diff --git a/Misc/NEWS.d/next/Library/2021-07-04-21-16-53.bpo-44558.cm7Slv.rst b/Misc/NEWS.d/next/Library/2021-07-04-21-16-53.bpo-44558.cm7Slv.rst new file mode 100644 index 0000000..647a704 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-07-04-21-16-53.bpo-44558.cm7Slv.rst @@ -0,0 +1,2 @@ +Make the implementation consistency of :func:`~operator.indexOf` between +C and Python versions. Patch by Dong-hee Na. |