mz.auto.Tuner , Validator not satifised.

[ZhqZhqZhq]

Describe the Question

Please provide a clear and concise description of what the question is.
I am on matchzoo-py1.1.1 and when I try to play with the codemz.auto.Tuner , i get an error when trying to tune the model.

Describe your attempts

• I walked through the tutorials
  please provide model_tuning tutorial for match-py ,when i use mz.auto.Tuner() to tune my model,i get an error as follow:

tuner = mz.auto.Tuner(
params=model.params,
train_data=train,
test_data=test,
num_runs=5
)

ValueError: Validator not satifised.
The validator's definition is as follows:
validator=lambda x: isinstance(x, np.ndarray)

• I checked the documentation
• I checked to make sure that this is not a duplicate question

You may also provide a Minimal, Complete, and Verifiable example you tried as a workaround, or StackOverflow solution that you have walked through. (e.g. cosmic radiation).

In addition, figure out your MatchZoo version by running import matchzoo; matchzoo.__version__.