New submission from Oleg Hoefling :
Due to changes introduced in https://bugs.python.org/issue14935 the `csv.Error`
can't be subclassed in 3.10. To reproduce:
Python 3.9.4 (default, Apr 6 2021, 00:00:00)
>>> import csv
>>> class C(csv.Error):
... pass
Python 3.
Oleg Hoefling added the comment:
If this is of any help, I've set up an example repository containing the
snippet: https://github.com/hoefling/bpo-issue-41654
Here are the results of running the snippet in Travis with Python 3.{5-10} and
Pypy 3.6: https://travis-ci.com/github/hoeflin
New submission from Oleg Hoefling :
First of all, I guess this is a somewhat obscure error that is unlikely to
occur in a usual context, nevertheless IMO worth reporting. We observed this
when unit-testing custom exception reporting mechanism, raising different
exceptions in different
