$ pip install -e .
Obtaining file:///tmp/test_package
Installing build dependencies ... done
Checking if build backend supports build_editable ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... done
Installing collected packages: test-package
Running setup.py develop for test-package
Successfully installed test-package-0.0.post1.dev10+g3ed39c8.d20211106