Fixes #331 - pin jsonschema version to 3.0.2
Fixes #331 - pin jsonschema version to 3.0.2

downgrade from 3.2.0 consider better fix
justb4/GeoHealthCheck,geopython/GeoHealthCheck,justb4/GeoHealthCheck,justb4/GeoHealthCheck,geopython/GeoHealthCheck,geopython/GeoHealthCheck,geopython/GeoHealthCheck,justb4/GeoHealthCheck