Adjust output format

Author: darouwan

general_json2yolo.py

@@ -314,7 +314,7 @@ def convert_coco_json(json_dir='../coco/annotations/', use_segments=False, cls91
                     file.write(('%g ' * len(line)).rstrip() % line + '\n')
 
         yaml_dict = {
-            "names": {v: k for k, v in categories_dict.items()},
+            "names": {k: v for k, v in categories_dict.items()},
             # "path": "yolo_datasets",
             "train": "images/train",
             "val": "images/val"