Keyword argument defined before variable positional arguments

[DimitriPapadopoulos]

On defining a keyword argument before variable positional arguments, one can end up in having multiple values passed for the aforementioned parameter in case the method is called with keyword arguments. It is recommended to define keyword arguments after variable positional arguments.

TODO:

• Add unit tests and/or doctests in docstrings
• Add docstrings and API docs for any new/modified user-facing classes and functions
• New/modified features documented in docs/tutorial.rst
• Changes documented in docs/release.rst
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• Test coverage is 100% (Codecov passes)