4b8716fd4bd6f462a9db9eee958f2508576ec019,gluoncv/utils/metrics/coco_detection.py,COCODetectionMetric,__init__,#COCODetectionMetric#Any#Any#Any#Any#Any#,32

Before Change

        else:
            t = ""
        self._filename = osp.abspath(osp.expanduser(save_prefix) + t + ".json")
        try:
            f = open(self._filename, "w")
        except IOError as e:
            raise RuntimeError("Unable to open json file to dump. What(): {}".format(str(e)))
        else:
            f.close()

    def __del__(self):
        if self._cleanup:
            try:
                os.remove(self._filename)

After Change

        Use coco to get real scores. 
        if not self._current_id == len(self._img_ids):
            warnings.warn(
                "Recorded {} out of {} validation images, incompelete results".format(
                    self._current_id, len(self._img_ids)))
        import json
        try:
            with open(self._filename, "w") as f:

Instances