[issue25619] Exception AttributeError: "'NoneType'.... thrown on exit

[R. David Murray]

R. David Murray added the comment:

Best practice, by the way, is to be explicit about the scope of any resource and clean it up before program end...this is often done by using the context manager protocol.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25619>
_______________________________________