Features
* add the code ([2](https://github.com/casvisor/casvisor-python-sdk/issues/2)) ([bd4c999](https://github.com/casvisor/casvisor-python-sdk/commit/bd4c999b5ea398d2dfd7922bd4e4f4934e8242f7))
* fix test cases and CI ([4](https://github.com/casvisor/casvisor-python-sdk/issues/4)) ([66cb7c6](https://github.com/casvisor/casvisor-python-sdk/commit/66cb7c62cc727c022a3c99a49b0419230118479b))
* format the code, fix CI errors ([3](https://github.com/casvisor/casvisor-python-sdk/issues/3)) ([5f28ab7](https://github.com/casvisor/casvisor-python-sdk/commit/5f28ab733b39a81d05be796ba3ea2b41a370d779)), closes [#1](https://github.com/casvisor/casvisor-python-sdk/issues/1)