fixed issue with argparser

track.py

@@ -354,11 +354,12 @@ def parse_opt():
     parser.add_argument('--dnn', action='store_true', help='use OpenCV DNN for ONNX inference')
     parser.add_argument('--vid-stride', type=int, default=1, help='video frame-rate stride')
     parser.add_argument('--retina-masks', action='store_true', help='whether to plot masks in native resolution')
-    opt = parser.parse_args()
-    opt.imgsz *= 2 if len(opt.imgsz) == 1 else 1  # expand
-    opt.tracking_config = ROOT / 'trackers' / opt.tracking_method / 'configs' / (opt.tracking_method + '.yaml')
-    print_args(vars(opt))
-    return opt
+    #opt = parser.parse_args()
+    #opt.imgsz *= 2 if len(opt.imgsz) == 1 else 1  # expand
+    #opt.tracking_config = ROOT / 'trackers' / opt.tracking_method / 'configs' / (opt.tracking_method + '.yaml')
+    #print_args(vars(opt))
+    #return opt
+    return parser
 
 
 def main(opt):
@@ -371,10 +372,14 @@ def main(opt):
 #    main(opt)
 
 def MOT(yoloweights, trackingmethod, sourceVideo):
-    opt = parse_opt()
-    opt.yolo-weights = yoloweights
-    opt.tracking-method = trackingmethod
-    opt.source = sourceVideo
+    parser = parse_opt()
+    parser.add_argument('--yolo-weights', nargs='+', type=Path, default= yoloweights, help='model.pt path(s)')
+    parser.add_argument('--tracking-method', type=str, default= trackingmethod, help='strongsort, ocsort, bytetrack')
+    parser.add_argument('--source', type=str, default='0', help='file/dir/URL/glob, 0 for webcam')  
+    opt = parser.parse_args()
+    opt.imgsz *= 2 if len(opt.imgsz) == 1 else 1  # expand
+    opt.tracking_config = ROOT / 'trackers' / opt.tracking_method / 'configs' / (opt.tracking_method + '.yaml')
+    print_args(vars(opt))
     main(opt)
     save_dir = increment_path('runs/track/exp', exist_ok=False) 
     input = os.path.join(save_dir,'out.mp4')
@@ -383,6 +388,4 @@ def MOT(yoloweights, trackingmethod, sourceVideo):
     print(command)
     os.system(command)
     #!ffmpeg -i $input -vf fps=30 -vcodec libx264 $outpath tbd
-    return outpath
-    
-
+    return outpath