Further clean up `helper.py`

[ryansurf]

#85 (comment)

Thanks @K-dash for the suggestions, these are great ideas

[avkoll]

I'm going to start working on this

[n-strong]

can I take a crack at this? I submitted a PR for the forecast_to_json() method.

[DoriPlg]

Is this still needed? I'd love t give a hand.

[ryansurf]

@DoriPlg yes, give it a shot!

[hebentod]

Hello everyone! I'm leaving my comment on this discussion to let everyone know that I attempted an edit in the helper.py to better clean-up the leading function, and submitted a PR, pull 170.