testing/py3-schema: upgrade to 0.7.5
https://github.com/keleshev/schema/blob/master/CHANGELOG.md
- Only run pre-commit once
- Revert "Only run pre-commit once"
- Only run pre-commit once better
- Please just work
- fix: JSON Schema: Set additionalProperties true when
- fix: JSON Schema: Allow using $ref when schema is not a
- fix: Fix "Unknown format code" in Python 3.8 (#245)
- fix: Don't double-format errors. fixes #240 (#247)
- Add support for subclassing Schema and Optional
- add kwargs to josn_schema; add test cases
- allow option default callable without argument to