def _as_tensor(x, name, dtype):
  """Convenience to convert to `Tensor` or leave as `None`."""
  return None if x is None else tf.convert_to_tensor(
      value=x, name=name, dtype=dtype)
def _as_tensor(x, name, dtype):
  
  return None if x is None else tf.convert_to_tensor(
      value=x, name=name, dtype=dtype)
def _as_tensor ( x , name , dtype ) : return None if x is None else tf . convert_to_tensor ( value = x , name = name , dtype = dtype )
Convenience to convert to `Tensor` or leave as `None`.
Convenience to convert to Tensor or leave as None .