def _open(self, container, name, mode="rb"):
        """
        :param str name: Filename
        :param str mode:
        :rtype: ContentFile
        """
        print(f'Retrieving blob: container={self.azure_container}, blob={name}')
        blob_client = self.connection.get_blob_client(container=container, blob=name)
        contents = blob_client.download_blob().readall()
        return ContentFile(contents)