'Args:
wrong_tensor_name(str): name of the ``wrong`` tensor.
The default is the same as the default output name of
:meth:`prediction_incorrect`.
summary_name(str): the name to log the error with.'

def __init__(self, wrong_tensor_name='incorrect_vector', summary_name='val_error'):

    self.wrong_tensor_name = wrong_tensor_name
    self.summary_name = summary_name
