v1.6.1

Fixed

• Pins jsonschema to >=4.0.1 to avoid a RefResolutionError when validating some extensions (#857)

What's Changed

• Bump jsonschema minimum version to avoid RefResolutionError by @duckontheweb in #857
• Bump package to v1.6.1 by @duckontheweb in #858

Full Changelog: v1.6.0...v1.6.1