diff --git a/scripts/data/client2.py b/scripts/data/client2.py
index a7d4d81d..5f47575f 100644
--- a/scripts/data/client2.py
+++ b/scripts/data/client2.py
@@ -64,9 +64,9 @@ def job_generator(start, blocks, step, mode, strategy):
 def process_batch(batch_file):
     print(f"Running client on blocks from {batch_file}")
     arguments_file = batch_file.replace(".json", "-arguments.json")
-    with open(batch_file, "r") as bf, open(arguments_file, "w") as af:
-        formatted_args = format_args(bf)
-        af.write(formatted_args)
+
+    with open(arguments_file, "w") as af:
+        af.write(format_args(batch_file, False, False))
 
     print(f"arguments_file: {arguments_file}")
 
diff --git a/scripts/data/format_args.py b/scripts/data/format_args.py
index 1accde48..3f4404ef 100644
--- a/scripts/data/format_args.py
+++ b/scripts/data/format_args.py
@@ -119,9 +119,9 @@ def format_args(input_file, execute_script, cairo1_run):
     res = flatten_tuples(serialize(args))
     flag = 1 if execute_script else 0
     if cairo1_run:
-        print(f"{format_cairo1_run(res)} {flag}")
+        return f"{format_cairo1_run(res)} {flag}"
     else:
-        print([res, flag])
+        return [res, flag]
 
 
 if __name__ == "__main__":
@@ -150,4 +150,4 @@ def format_args(input_file, execute_script, cairo1_run):
 
     args = parser.parse_args()
 
-    format_args(args.input_file, args.execute_script, args.cairo1_run)
+    print(format_args(args.input_file, args.execute_script, args.cairo1_run))