def _onUploadError(self, reply: QNetworkReply, error: QNetworkReply.NetworkError) -> None:
"""Handles an error uploading."""
body = bytes(reply.peek(reply.bytesAvailable())).decode()
Logger.log("e", "Received error while uploading: %s", body)
self._on_error(self._file_name, reply, error)
self.stop()
