ParanoidAltoid

XGBRegressor with objective='count:poisson' causes serialization to fail with no error message

1

http://onnx.ai/sklearn-onnx/auto_examples/plot_pipeline_xgboost.html Download file found at bottom of page in that link, and run with count:poisson: `pipe = Pipeline([("scaler", StandardScaler()), ("xgb", XGBRegressor(n_estimators=3, objective='count:poisson'))])` Comparing results before and after serializing/deserializing: predict [0.9388053...