(x)
return isinstance(x, (ops.Tensor, variables.Variable))
Returns `True` if `x` is a symbolic tensor-like object.

  Args:
    x: A python object to check.

  Returns:
    `True` if `x` is a `tf.Tensor` or `tf.Variable`, otherwise `False`.
Returns `True` if `x` is a symbolic tensor-like object.
Returns True if x is a symbolic tensor - like object .
def _is_tensor(x):
  """Returns `True` if `x` is a symbolic tensor-like object.

  Args:
    x: A python object to check.

  Returns:
    `True` if `x` is a `tf.Tensor` or `tf.Variable`, otherwise `False`.
  """
  return isinstance(x, (ops.Tensor, variables.Variable))
def _is_tensor ( x ) : return isinstance ( x , ( ops . Tensor , variables . Variable ) )