[issue25782] CPython hangs on error __context__ set to the error itself

[Dennis Sweeney]

Change by Dennis Sweeney <sweeney.dennis650 at gmail.com>:


----------
pull_requests: +19788
pull_request: https://github.com/python/cpython/pull/20539

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue25782>
_______________________________________