class_docstr: Type specification for `None` value.
code: def most_specific_compatible_shape(self, other):
      if type(self) is not type(other):
          raise ValueError(
              "No `TypeSpec` is compatible with both {} and {}".format(
                  self, other
              )
          )
      return self
  
imports: from tensorflow.python.framework import composite_tensor
  from tensorflow.python.framework import type_spec
  from tensorflow.python.framework import type_spec_registry
label_desc: Use image node_id 14 for calling the NoneTensorSpec obj's underlying member method code with example usage: obj.most_specific_compatible_shape(other) and returns: self