diff --git a/script/KR84_test.py b/script/KR84_test.py
index ab02006..456e238 100644
--- a/script/KR84_test.py
+++ b/script/KR84_test.py
@@ -65,4 +65,4 @@ pre_jit_phase = all_statistics_calc(scan_result.getReadable(5))
 kly_jit_amplt = all_statistics_calc(scan_result.getReadable(6))
 kly_jit_phase = all_statistics_calc(scan_result.getReadable(7))
 
-ref_jit_amplt.print_data
+ref_jit_amplt.return_string()