abhinavs95 commented on a change in pull request #14442: [MXNet-1349][Fit
API]Add validation support and unit tests for fit() API
URL: https://github.com/apache/incubator-mxnet/pull/14442#discussion_r267091016
##########
File path: python/mxnet/gluon/estimator/estimator.py
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@@ -64,17 +65,21 @@ def __init__(self, net,
self.loss = [loss]
else:
self.loss = loss or []
+ if not self.loss:
+ raise ValueError("No loss specified, refer to gluon.loss.Loss")
for l in self.loss:
- if not isinstance(loss, gluon.loss.Loss):
+ if not isinstance(l, gluon.loss.Loss):
raise ValueError("loss must be a Loss or a list of Loss,
refer to gluon.loss.Loss")
if isinstance(metrics, EvalMetric):
Review comment:
Done!
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