about the mil-layer

[shen-yao]

Would you please help me to solve the problem I encountered when training? Thank you very much!
`
File "/home/test/anaconda3/envs/smy-ab2/lib/python2.7/site-packages/keras/engine/saving.py", line 83, in _serialize_model
model_config['config'] = model.get_config()

File "/home/test/anaconda3/envs/smy-ab2/lib/python2.7/site-packages/keras/engine/network.py", line 860, in get_config
layer_config = layer.get_config()

File "/home/test/abnormal/utl/custom_layers.py", line 94, in get_config
'v_initializer':initializers.serialize(self.V.initializer),

File "/home/test/anaconda3/envs/smy-ab2/lib/python2.7/site-packages/keras/initializers.py", line 496, in serialize
return serialize_keras_object(initializer)

File "/home/test/anaconda3/envs/smy-ab2/lib/python2.7/site-packages/keras/utils/generic_utils.py", line 117, in serialize_keras_object
raise ValueError('Cannot serialize', instance)

ValueError: ('Cannot serialize', <tf.Operation 'alpha/v/Assign' type=Assign>)`