class_docstr: Compute if inputs contains zero value.
  
  Returns:
      bool tensor: True for values not equal to zero.
code: def call(self, inputs, **kwargs):
      mask = K.not_equal(inputs, 0)
      return K.cast(mask, K.floatx())
  
imports: import tensorflow.compat.v1.keras
  from tensorflow.compat.v1.linalg import einsum
  from tensorflow.compat.v1.keras import layers
  from tensorflow.compat.v1.keras import backend
label_desc: Use image node_id 2 for calling the ComputeMasking obj's underlying member method code with example usage: obj.call(inputs) and returns: K