lenskit.diagnostics

Warning and error classes and general LensKit diagnostic code.

Exceptions

DataWarning	Warning raised for detectable problems with input data.
DataError	Error raised for detectable problesms with input data.
FieldError	The requested field does not exist.
ConfigWarning	Warning raised for detectable problems with component configurations.
TypecheckWarning	Warnings for runtime type check failures.
PipelineError	Pipeline configuration errors.
PipelineWarning	Pipeline configuration and setup warnings. We also emit warnings to the