def __init__(self, app, *args, **kwargs):
        # app is the actual app module
        self.app_module = app
        # We special case the admin app here since it has its static files
        # in 'media' for historic reasons.
        if self.app_module == 'django.contrib.admin' and VERSION[:2] < (1, 4):
            self.prefix = 'admin'
            self.source_dir = 'media'
        mod = import_module(self.app_module)
        mod_path = os.path.dirname(mod.__file__)
        location = os.path.join(mod_path, self.source_dir)
        super(AppStaticStorage, self).__init__(location, *args, **kwargs)
Returns the previous page.
dataset/ETHPy150Open jezdez-archive/django-staticfiles/staticfiles/storage.py/AppStaticStorage.__init__--crossover with--dataset/ETHPy150Open enthought/pyface/pyface/wizard/wizard_controller.py/WizardController.get_previous_page