Another pre-commit stylistic fix.  Necessary since apparently the git action uses a more recent version of pre-commit than travis did, and the newer pre-commit requires different things than the old one did.
Another pre-commit stylistic fix.  Necessary since apparently
the git action uses a more recent version of pre-commit than
travis did, and the newer pre-commit requires different things
than the old one did.

oasis-open/cti-python-stix2