diff --git a/tests/functions_test/dmpd_library.py b/tests/functions_test/dmpd_library.py
index 99f40a5..6578420 100755
--- a/tests/functions_test/dmpd_library.py
+++ b/tests/functions_test/dmpd_library.py
@@ -1281,7 +1281,7 @@ class LVM:
                 _print("WARN: (%s) does not match lvs output format" % lv)
                 continue
             lv_info_dict = {}
-            for index in xrange(len(param_names)):
+            for index in range(len(param_names)):
                 lv_info_dict[param_names[index]] = m.group(index + 1)
             lv_list.append(lv_info_dict)