update run.py parser args

run.py

@@ -29,12 +29,11 @@ def main(parser_args):
 
         PostProcessing()
 
-
 if __name__ == "__main__":
-
     parser = argparse.ArgumentParser()
-    parser.add_argument('--experiment_date', metavar='--exp_date', type=str, default=None,
+    parser.add_argument('--experiment_date', metavar='--exp_date', type=str, default="testrun",
                         help="set experiment date as string")
-    args = parser.parse_args(["--experiment_date", "testrun"])
+    args = parser.parse_args()
 
     main(args)
+