Upgrading the hook to the freshly released isort 5.12.0 seems to be fixing the issue.
Looking at the commit stack from isort repo, it sounds like recent version of Poetry had a breaking change incompatible with isort <= 5.11.4 (commit)
Upgrading the hook to the freshly released isort 5.12.0 seems to be fixing the issue.
Looking at the commit stack from isort repo, it sounds like recent version of Poetry had a breaking change incompatible with isort <= 5.11.4 (commit)