matplotlib.axes.Axes.ishold
Axes.ishold()-
Deprecated since version 2.0: The ishold function was deprecated in version 2.0.
return the HOLD status of the axes
Theholdmechanism is deprecated and will be removed in v3.0.
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https://matplotlib.org/2.2.3/api/_as_gen/matplotlib.axes.Axes.ishold.html