Method _as_mpl_transform

lib/matplotlib/tests/test_inset.py:129–132

(self, axes=None)

    # Cartopy) will work.
    class FussyDataTr:
        def _as_mpl_transform(self, axes=None):
            if axes is None:
                raise ValueError("I am a fussy transform that requires an axes")
            return axes.transData

    fig, ax = plt.subplots()