def _compute_scalings(bn, xlim, ylim):
    """Compute scale factors for a unified plot"""
    pos = bn.pos
    bn.x_s = (xlim[1] - xlim[0]) / pos[2]
    bn.x_t = pos[0] - bn.x_s * xlim[0]
    bn.y_s = pos[3] / (ylim[1] - ylim[0])
    bn.y_t = pos[1] - bn.y_s * ylim[0]
dataset/ETHPy150Open mne-tools/mne-python/mne/viz/topo.py/_compute_scalings/swapped operands of `/`