def _split(self, b):
    i = getattr(self.dls, 'n_inp', (1 if (len(b) == 1) else (len(b) - 1)))
    (self.xb, self.yb) = (b[:i], b[i:])
def _split(self, b):
    i = getattr(self.dls, 'n_inp', (1 if (len(b) == 1) else (len(b) - 1)))
    (self.xb, self.yb) = (b[:i], b[i:])