def unregister_receive_callback(self, x):
        pass
Given a validated form, performs any extra processing before displaying
dataset/ETHPy150Open mne-tools/mne-python/mne/realtime/mockclient.py/MockRtClient.unregister_receive_callback--crossover with--dataset/ETHPy150Open django/django-formtools/formtools/preview.py/FormPreview.process_preview