[Python-Dev] Disallow float arguments where an integer is expected in Python 2.7.

Brett Cannon brett at python.org
Mon Dec 21 18:03:10 CET 2009

On Mon, Dec 21, 2009 at 07:02, Mark Dickinson <dickinsm at gmail.com> wrote:

> In Python 2.7, PyArg_ParseTuple and friends currently accept a float
> argument where an integer is expected, but produce a
> DeprecationWarning in this case.  This can be seen in various places
> in Python proper:
> >>> itertools.combinations(range(5), 2.0)
> __main__:1: DeprecationWarning: integer argument expected, got float
> <itertools.combinations object at 0x10059f638>
> Are there any objections to turning this DeprecationWarning into a
> TypeError for Python 2.7?  The behaviour has been deprecated since
> Python 2.3, it's gone in 3.x, and having it produce an error in 2.7
> might slightly reduce the number of surprises involved in porting from
> 2.x to 3.x.  There's a patch at http://bugs.python.org/issue5080
I'm +0

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