Add use cuda if available for the training of yolo

hot_fair_utilities/training/yolo_v8_v1/train.py

@@ -80,7 +80,15 @@ def main():
     train(**vars(opt))
 
 
-def train(data, weights, gpu, epochs, batch_size, pc, output_path=None):
+def train(
+    data,
+    weights,
+    gpu=("cuda" if torch.cuda.is_available() else "cpu"),
+    epochs=20,
+    batch_size=8,
+    pc=2.0,
+    output_path=None,
+):
     back = (
         "n"
         if "yolov8n" in weights