def _flush(self, buffer):
        """
        Flush the write buffers of the stream if applicable.

        Args:
            buffer (memoryview): Buffer content.
        """
        with _handle_client_error():
            self._client.put_object(
                Body=buffer.tobytes(), **self._client_kwargs)
Flush the write buffers of the stream if applicable.

        Args:
            buffer (memoryview): Buffer content.