matplotlib.pyplot.errorbar(x, y, yerr=None, xerr=None, fmt='', ecolor=None,
    elinewidth=None, capsize=3, barsabove=False, lolims=False, uplims=False,
    xlolims=False, xuplims=False, errorevery=1, capthick=None, hold=None,
    **kwargs)
scatterplot with xerr and yerr with matplotlib