[issue44669] TypeError: 'type' object is not subscriptable

[Dennis Sweeney]

Dennis Sweeney <sweeney.dennis650 at gmail.com> added the comment:

> While attempting to run an application

How are you starting this application? It looks like you're using Python 3.9 standard library files (like _collections_abc.py in the traceback you posted), but is it possible that you're accidentally running an older version of the interpreter?

----------
nosy: +Dennis Sweeney

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44669>
_______________________________________