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metric.py

@@ -11,6 +11,7 @@ from .card import __file__ as _
 from .catalog import __file__ as _
 from .collections import __file__ as _
 from .common import __file__ as _
+from .dataclass import __file__ as _
 from .file_utils import __file__ as _
 from .fusion import __file__ as _
 from .generator_utils import __file__ as _
@@ -96,7 +97,7 @@ class MetricRecipe(SequntialOperatorInitilizer):
         self.steps = [
             FromPredictionsAndOriginalData(),
             ApplyValueOperatorsField(
-                value_field="prediction", operators_field="processors", default_operators=["to_string"]
+                value_field="prediction", operators_field="processors", default_operators=["processors::to_string"]
             ),
             SplitByValue(["group"]),
             ApplyStreamOperatorsField(