def get_fields_after_postal(self):
        """
        Returns the fields which are supposed to be displayed before the postal
        form fields.
        """
        fields = []
        for field in (self.fields_after_postal and self.fields):
            try:
                fields.append(self[field])
            except KeyError:
                continue
        return fields
dataset/ETHPy150Open diefenbach/django-lfs/lfs/addresses/forms.py/AddressBaseForm.get_fields_after_postal/operator `or` -> `and`