Type 'null' is not assignable to type 'EpPropMergeType<(new (...args: any[]) => string | number | string[] | Date | [DateModelType, DateModelType]) | (() => ModelValueType) | ((new (...args: any[]) => string | ... 3 more ... | [...]) | (() => ModelValueType))[], unknown, unknown> | undefined'.

Process completed with exit code 2.

Unexpected input(s) 'python-version', valid inputs are ['version', 'dest', 'run_install', 'package_json_file', 'standalone']