Bugfixes
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#7286: Best model checkpoint allows for metrics to be equal to previous best if at least one
metric improves, rather than strict improvement for each metric. -
#8200: Fixes a bug where multiple plots overlap each other and are rendered incorrectly when comparing performance across multiple NLU pipelines.
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#8812: Don't evaluate entities if no entities present in test data.
Also, catch exception in
plot_paired_histogramwhen data is empty.