Send str to OpenCV

dan/ocr/manager/dataset.py

@@ -120,7 +120,8 @@ class OCRDataset(Dataset):
         if self.load_in_memory:
             return self.samples[i]["img"]
 
-        return self.preprocessing_transforms(read_image(self.samples[i]["path"]))
+        image_path = str(self.samples[i]["path"])
+        return self.preprocessing_transforms(read_image(image_path))
 
     def compute_std_mean(self):
         """