Update train.py

train.py

@@ -526,7 +526,7 @@ def train(hyp, opt, device, tb_writer=None):
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser()
-    parser.add_argument('--weights', type=str, default='yolo7.pt', help='initial weights path')
+    parser.add_argument('--weights', type=str, default='yolov7.pt', help='initial weights path')
     parser.add_argument('--cfg', type=str, default='', help='model.yaml path')
     parser.add_argument('--data', type=str, default='data/coco.yaml', help='data.yaml path')
     parser.add_argument('--hyp', type=str, default='data/hyp.scratch.p5.yaml', help='hyperparameters path')