# Hyperparameter search space
params= {
        'nodes1': hp.choice('n1',[100,]),
        'nodes2': hp.choice('n2',[200]),
        'nodes3': hp.choice('n3',[300]),
        'nodes4': hp.choice('n4', [200]),
        'nodes5': hp.choice('n5', [100]),
        'batch_size': hp.choice('bs', [1000]),
        'regularizer': hp.choice('reg', [None,]),
        'optimizer': hp.choice('opt', [keras.optimizers.Adam(lr=0.001,
                                                             beta_1=0.9,
                                                             beta_2=0.999,
                                                             epsilon=None,
                                                             decay=0.9,
                                                             amsgrad=False)])
        }