AttributeError: 'bytes' object has no attribute 'encode'. Did you mean: 'decode'?

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When I use python ftp.py fuzz --target-host 192.168.xx.xx --target-port 21 --username xx --password xx, the program reports an error as
AttributeError: 'bytes' object has no attribute 'encode'. Did you mean: 'decode'?
I searched for the error, but it's still not resolved.

Expected behavior

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Actual behavior

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Steps to reproduce the problem

boofuzz script

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boofuzz version

0.4.2

Python version

3.11

Platform

Linux

Anything else?

No response