Create "dev dependencies"

[zacharyselk]

The project currently bundles all of it's dependencies into a single requirements.txt file but there are certain dependencies that are only needed for development (such as coverage, flake8, pycodestyle, and pyflakes) and are not needed for users of the project.
Create a way for users to be able to install one set of dependencies and developers have another.

[sebkozlo]

Hi,
I think this will be good solution for that.
https://stackoverflow.com/questions/28509965/setuptools-development-requirements

[zacharyselk]

Hi there, welcome to the project!
Yes that does look like a pretty good solution for this issue