Symptom
After Keras is upgraded to 2.3.0 or later, the following error message is displayed:
TypeError: Unexpected keyword argument passed to optimizer: learning_rate
Possible Causes
Certain parameters have been renamed in Keras. For details, see Keras 2.3.0.
Figure 1 API changes
Solution
Rename learning_rate lr.
Summary and Suggestions
Before creating a training job, use the ModelArts development environment to debug the training code to maximally eliminate errors in code migration.