Fix error percentage calculation in user_eval.py

src/user_eval.py

@@ -328,7 +328,7 @@ def evaluate_submission(submitted_models, summary_file_path, modelling_framw, to
         summary_f.write(f"  Total Submitted Models Parsed: {total_submitted_models}\n")
         summary_f.write(f"  Models That Ran Successfully (out of the submitted models): {models_ran_successfully}/{total_submitted_models}\n")
         summary_f.write(f"  Submission coverage perc: {float(total_submitted_models) / len(ground_truth_models) * 100:.2f}%\n")
-        summary_f.write(f"  Error perc: {(total_submitted_models - models_ran_successfully) / len(total_submitted_models) * 100:.2f}%\n")
+        summary_f.write(f"  Error perc: {float(total_submitted_models - models_ran_successfully) / float(total_submitted_models) * 100:.2f}%\n")
         summary_f.write(f"  Consistency perc: {consistency_checks_passed / len(ground_truth_models) * 100:.2f}%\n")
         summary_f.write(f"  Final Solution Accuracy perc: {all_checks_passed / len(ground_truth_models) * 100:.2f}%\n")
         summary_f.write("-" * 30 + "\n")