def url(self, name):
        raise NotImplementedError()
Test adding background image to a figure.
dataset/ETHPy150Open dcramer/django-compositepks/django/core/files/storage.py/Storage.url--crossover with--dataset/ETHPy150Open mne-tools/mne-python/mne/viz/tests/test_utils.py/test_add_background_image