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Wed Feb 18 21:24:41 EST 2004 · http://mail.python.org/pipermail/python-dev/2004-February/042606.html

On Tue, Feb 17, 2004 at 03:36:19AM -0800, rhettinger at users.sourceforge.net wrote:
>   {
> ! 	PyObject *v;
> ! 	if (!PyArg_ParseTuple(args, "|i:pop", &i))
>   		return NULL;
> --- 773,788 ----
>   {
> ! 	PyObject *v, *arg = NULL;
> ! 
> ! 	if (!PyArg_UnpackTuple(args, "pop", 0, 1, &arg))
>   		return NULL;
> + 	if (arg != NULL) {
> + 		if (PyInt_Check(arg))
> + 			i = (int)(PyInt_AS_LONG((PyIntObject*) arg));
> + 		else {
> + 			PyErr_SetString(PyExc_TypeError, "an integer is required");
> + 			return NULL;
> + 		}
> + 	}

This is a change in behaviour.  This used to work:

>>> x = [1,2,3]
>>> x.pop(1L)
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
TypeError: an integer is required

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Showing content from http://mail.python.org/pipermail/python-dev/2004-February/042606.html below:

[Python-checkins] python/dist/src/Objects listobject.c, 2.182, 2.183