From: Yaroslav Halchenko <debian@onerussian.com>
Subject: disable filtering on this warning

to ease backporting on buster (nd100) with old pytest. Causes pytest to puke 
right away because it does not know that class.

Origin: NeuroDebian
Last-Update: 2022-09-23

--- a/tox.ini
+++ b/tox.ini
@@ -48,7 +48,6 @@ commands = {posargs}
 [pytest]
 filterwarnings =
     error::DeprecationWarning:^datalad
-    error:.*yield tests:pytest.PytestCollectionWarning
     ignore:distutils Version classes are deprecated:DeprecationWarning
     # comes from boto
     ignore:the imp module is deprecated
