[docs] [issue34500] Fix ResourceWarning in difflib.py

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

Using 'with open' is now standard.  Thanks for the update.
In the message above, /us/is/.

----------
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
type:  -> behavior

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34500>
_______________________________________