diff -r a80a66ba52d6 -r 9f6f46dbe3ae modbus/mb_utils.py
--- a/modbus/mb_utils.py	Fri Oct 28 13:06:52 2022 +0800
+++ b/modbus/mb_utils.py	Fri Oct 28 14:07:13 2022 +0800
@@ -23,9 +23,6 @@
 # used in safety-critical situations without a full and competent review.
 
 
-
-from six.moves import xrange
-
 # dictionary implementing:
 # key   - string with the description we want in the request plugin GUI
 # tuple - (modbus function number, request type, max count value,