Fix mypy error

 [2022/04/16 05:43:45.756] CMD [/data/mci/489749f0eee827f7c2526241e84efde6/venv/bin/python3 /data/mci/489749f0eee827f7c2526241e84efde6/venv/bin/mypy --config-file .mypy.ini /data/mci/489749f0eee827f7c2526241e84efde6/src/buildscripts/linter/runner.py] failed:

 [2022/04/16 05:43:45.756] buildscripts/linter/runner.py:44: error: Unsupported left operand type for < (Version?)

 [2022/04/16 05:43:45.756] buildscripts/linter/runner.py:44: error: Unsupported left operand type for < (LegacyVersion?)

 [2022/04/16 05:43:45.756] buildscripts/linter/runner.py:44: note: Both left and right operands are unions