def __init__(self, names):
        """
        Args:
            names(list): list of string, the names of the tensors to print.
        """
        names = [get_op_tensor_name(n)[1] for n in names]
        logger.warn("Using tf.Print in the graph is much faster than TensorPrinter!")
        self._names = names

        Args:
            names(list): list of string, the names of the tensors to print.
        
tensorpack/callbacks/steps.py