511 modulenotfounderror no module named mapieconformity scoresresidual conformity scores

[vincentblot28]

Fixes #511

[Valentin-Laurent]

Hello @vincentblot28,
Conformity scores are not the only imports breaking with MAPIE 0.9.0, I also listed the following:

from mapie.estimator.estimator import EnsembleRegressor
from mapie.conformity_scores.utils_classification_conformity_scores import get_true_label_position

Finally, theoretical_description_conformity_scores.rst now mentions outdated class names.

Let me know if you can take care of the above points. Thanks!

[thibaultcordier]

Great, thanks for also handling the other classes that were likely to have the same problem.