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Fix mean metrics to allow dict/list inputs #20954

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Merged
merged 1 commit into from
Feb 24, 2025
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Fix mean metrics to allow dict/list inputs #20954

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5 changes: 3 additions & 2 deletions keras/src/metrics/reduction_metrics.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
from keras.src import initializers
from keras.src import losses
from keras.src import ops
from keras.src import tree
from keras.src.api_export import keras_export
from keras.src.metrics.metric import Metric
from keras.src.saving import serialization_lib
Expand Down Expand Up @@ -199,8 +200,8 @@ def __init__(self, fn, name=None, dtype=None, **kwargs):
self._direction = "down"

def update_state(self, y_true, y_pred, sample_weight=None):
y_true = backend.cast(y_true, self.dtype)
y_pred = backend.cast(y_pred, self.dtype)
y_true = tree.map_structure(lambda x: ops.cast(x, self.dtype), y_true)
y_pred = tree.map_structure(lambda x: ops.cast(x, self.dtype), y_pred)

mask = backend.get_keras_mask(y_pred)
values = self._fn(y_true, y_pred, **self._fn_kwargs)
Expand Down
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