Fix formatting in prediction output: Remove space before commas in saved predictions

src/my_utils.py

@@ -838,7 +838,7 @@ def save_predictions_to_txt(predictions_dict: dict[str, tuple[list[str], list[fl
 
             # Create the prediction string: "Class1 (prob1), Class2 (prob2), ..."
             pred_strings = [f"{cls} ({prob:.4f})" for cls, prob in zip(class_names, probabilities)]
-            pred_line = ", ".join(pred_strings)
+            pred_line = ",".join(pred_strings)
             
             f.write(f"{seq_id},{pred_line}\n")