Sankalp 21

Results 2 issues of Sankalp 21

## Summary This PR removes the 'codecov==2.1.12' dependency from 'requirements-dev.txt'. The version was removed/yanked from PyPI and is no longer available, causing installation failures for contributors. More importantly, the entire...

## Summary While setting up the project environment, the dependency `codecov==2.1.12` fails to install because this exact version no longer exists on PyPI. This is not just a build issue...