add py3 worker

[championswimmer]

see how py2 is made for better idea

should supporting checking Python 3 code, like py2 allowed Python 2.7

must have tests

[NamanArora]

Hello, I would like to claim this issue. Do let me know if I can start working on it.

[ankurg22]

Is this the correct way to solve this issue @championswimmer ? How can I test it?

[ankurg22]

@NamanArora Join the boss gitter channel. You can work on any issue without getting assigned. First PR which best solves the issue will be merged.

[championswimmer]

@ankurg22 yes that looks correct