[issue24489] cmath.polar() can raise due to pre-existing errno

[Antoine Pitrou]

Antoine Pitrou added the comment:

> On Python 3.5 and 3.6, You can use math.inf and math.nan.

The patch is for 3.4.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24489>
_______________________________________