fix:

main.py

@@ -32,8 +32,8 @@ async def lifespan(app: FastAPI):
     # Using this way to can store data. it is acts as a dict which holds instances
     app.state.detection_model = YOLO_Detector(model_path="yolo26n.pt")
 
-    safety_detection_path = hf_hub_download(repo_id="depth-anything/Depth-Anything-V2-Small", filename="depth_anything_v2_vits.pth")
-    app.state.depth_model = DepthAnything(encoder=settings.depth.encoder, depth_model_path=settings.depth.model_path, DEVICE="cuda")
+    depth_model_path = hf_hub_download(repo_id="depth-anything/Depth-Anything-V2-Small", filename="depth_anything_v2_vits.pth")
+    app.state.depth_model = DepthAnything(encoder=settings.depth.encoder, depth_model_path=depth_model_path, DEVICE="cuda")
 
     safety_detection_path = hf_hub_download(repo_id="e1250/safety_detection", filename="yolo_smoke_fire.pt")
     app.state.safety_detection_model = YOLO_Detector(safety_detection_path)