warning running vnet

[hvgazula]

WARNING:absl:<nobrainer.layers.groupnorm.GroupNormalization object at 0x14810c051a50> has the same name 'GroupNormalization' as a built-in Keras object. Consider renaming <class 'nobrainer.layers.groupnorm.GroupNormalization'> to avoid naming conflicts when loading with tf.keras.models.load_model. If renaming is not possible, pass the object in the custom_objects parameter of the load function.