sklearn.exceptions

Custom warnings and errors used across scikit-learn.

ConvergenceWarning	Custom warning to capture convergence problems
DataConversionWarning	Warning used to notify implicit data conversions happening in the code.
DataDimensionalityWarning	Custom warning to notify potential issues with data dimensionality.
EfficiencyWarning	Warning used to notify the user of inefficient computation.
FitFailedWarning	Warning class used if there is an error while fitting the estimator.
InconsistentVersionWarning	Warning raised when an estimator is unpickled with an inconsistent version.
NotFittedError	Exception class to raise if estimator is used before fitting.
UndefinedMetricWarning	Warning used when the metric is invalid
EstimatorCheckFailedWarning	Warning raised when an estimator check from the common tests fails.