Fix TorchScript JSON string key bug

Resolves #9011 Signed-off-by: Glenn Jocher <[email protected]>
ultralytics · Aug 18, 2022 · c167b41 · c167b41
1 parent 5c854fa
commit c167b41
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/models/common.py b/models/common.py
@@ -337,8 +337,9 @@ def __init__(self, weights='yolov5s.pt', device=torch.device('cpu'), dnn=False,
             extra_files = {'config.txt': ''}  # model metadata
             model = torch.jit.load(w, _extra_files=extra_files)
             model.half() if fp16 else model.float()
-            if extra_files['config.txt']:
-                d = json.loads(extra_files['config.txt'])  # extra_files dict
+            if extra_files['config.txt']:  # load metadata dict
+                d = json.loads(extra_files['config.txt'],
+                               object_hook=lambda d: {int(k) if k.isdigit() else k: v for k, v in d.items()})
                 stride, names = int(d['stride']), d['names']
         elif dnn:  # ONNX OpenCV DNN
             LOGGER.info(f'Loading {w} for ONNX OpenCV DNN inference...')