Pypa released new packaging library version(https://github.com/pypa/packaging/releases/tag/22.0) and legacyVersion is deleted which used in this pip-requirements-parser library.
Currently, this code doesn't work without additional library version fixing.
Pypa released new packaging library version(https://github.com/pypa/packaging/releases/tag/22.0) and legacyVersion is deleted which used in this pip-requirements-parser library.
Currently, this code doesn't work without additional library version fixing.