[fix] fix model path for loading

tasks/image.py

@@ -102,7 +102,7 @@ async def evaluate_image(request: ImageEvaluationRequest):
     import torch
 
     # Load model
-    model_path = "models"
+    model_path = Path("tasks", "models")
     model_name = "best.pt"
     model = YOLO(Path(model_path, model_name))
     threshold = 0.14