…e_data.py

- remove dict type hinting that I think was not valid anyways
- use isinstance instead of type == numpy.ndarray
- fix an incorrect variable name in an error message

- Use isinstance checks instead of type ==
- Add missing values in error message (printed with f-strings
  to help user find root of issue)

…ng values in fstring for error message

…whitespace before colon

…d use of *'

…, remove unused f-string

…etric_umap.py

…s for now

…assification.py

…lter in loss/umap.py

…me_classification_model.py

…tance/functional.py

…lassification.py

…riables in learncurve/curvefit.py

…g prefix

…om_str

… triggering invalid escape sequence warning from flake8