Remove usage of mutable objects as default parameters #113

[maneeshd]

Summary

• Removed mutable objects as default parameters and replaced with None.
• Added check for None to initialize default parameter to empty dict.
• Keyword 'id' used as variable name in a function changed to 'id_'.

Checklist

• [ ] Added changelog entry
• [x] Ran unit tests (nosetests tests/unit)

[hollabaq86]

👋 @maneeshd thanks for the PR! Quick FYI, we're working on some updates to this SDK and will review this PR after that work is released.

[hollabaq86]

👋 wrapping up this conversation- we merged this work into v4.1.0. Thanks again for the PR!

[maneeshd]

thanks 👍