update default dataset for cgan training

mu_map/training/cgan.py

@@ -225,7 +225,7 @@ if __name__ == "__main__":
     parser.add_argument(
         "--dataset_dir",
         type=str,
-        default="data/initial/",
+        default="data/second/",
         help="the directory where the dataset for training is found",
     )
     parser.add_argument(