Format request file

src/submission/submit.py

@@ -106,8 +106,12 @@ def add_new_eval(
     if os.path.exists(out_path):
         os.remove(out_path)
 
-    with open(out_path, "w") as f:
-        f.write(json.dumps(eval_entry))
+    with open(out_path, 'w') as f:
+        json.dump(
+            eval_entry,
+            f,
+            indent=4,
+        )
 
     print("Uploading evaluation file...")
     API.upload_file(