def get_android_manifest_axml(self):
        try:
            return self.axml["AndroidManifest.xml"]
        except KeyError:
            return None
Overridden model save function which supports the polymorphism
dataset/ETHPy150Open androguard/androguard/androguard/core/bytecodes/apk.py/APK.get_android_manifest_axml--crossover with--dataset/ETHPy150Open chrisglass/django_polymorphic/polymorphic/models.py/PolymorphicModel.save