Fixing label encoder problem in the SingleBest model. The problem appears in a very specific scenario where the pool of classifiers is a BaseEnsemble from sklearn (e.g., RandomForestClassifier, BaggingClassifier) and the base models are already using label encoder (however having classes as float instead of integers).
Fixing label encoder problem in the SingleBest model. The problem appears in a very specific scenario where the pool of classifiers is a BaseEnsemble from sklearn (e.g., RandomForestClassifier, BaggingClassifier) and the base models are already using label encoder (however having classes as float instead of integers).
This PR fixes #221