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tracker.py

@@ -43,6 +43,9 @@ def update_tracker(target_detector, image):
 
         bbox_xywh = []
         confs = []
+        bboxes2draw = []
+        face_bboxes = []
+        if len(bboxes):
 
             # Adapt detections to deep sort input format
             for x1, y1, x2, y2, _, conf in bboxes:
@@ -60,9 +63,6 @@ def update_tracker(target_detector, image):
             # Pass detections to deepsort
             outputs = deepsort.update(xywhs, confss, image)
 
-
-        bboxes2draw = []
-        face_bboxes = []
             for value in list(outputs):
                 x1,y1,x2,y2,track_id = value
                 bboxes2draw.append(