fix: norfair imports

inference.py

@@ -3,6 +3,8 @@ import glob
 import os
 
 import numpy as np
+from norfair import Paths, Tracker, Video
+from norfair.camera_motion import HomographyTransformationGetter, MotionEstimator
 
 from inference_utils import (
     YOLO,
@@ -15,11 +17,6 @@ from inference_utils import (
     iou,
     yolo_detections_to_norfair_detections,
 )
-from norfair.norfair import Paths, Tracker, Video
-from norfair.norfair.camera_motion import (
-    HomographyTransformationGetter,
-    MotionEstimator,
-)
 
 DISTANCE_THRESHOLD_BBOX: float = 3.33
 DISTANCE_THRESHOLD_CENTROID: int = 30

inference_utils.py

@@ -4,12 +4,11 @@ import os
 from enum import Enum
 from typing import List, Optional, Union
 
+import norfair
 import numpy as np
 import torch
 import torchvision.ops.boxes as bops
-
-from norfair import norfair
-from norfair.norfair import Detection
+from norfair import Detection
 
 DISTANCE_THRESHOLD_BBOX: float = 3.33
 DISTANCE_THRESHOLD_CENTROID: int = 30