@property
    def has_drm(self):
        if "hasDrm" in self._prop_dict:
            return self._prop_dict["hasDrm"]
        else:
            return None
Return a |_Manifest| instance for the zip-based OPC package at
dataset/ETHPy150Open OneDrive/onedrive-sdk-python/src/onedrivesdk/model/audio.py/Audio.has_drm--crossover with--dataset/ETHPy150Open python-openxml/opc-diag/features/steps/step_data.py/_Manifest.from_zip