How to fix this "ModuleNotFoundError: No module named 'tlsfuzzer'"

[sajualways]

I get this below error when i try to execute below
python scripts/test-conversation.py
Traceback (most recent call last):
File "scripts/test-conversation.py", line 11, in
from tlsfuzzer.runner import Runner
ModuleNotFoundError: No module named 'tlsfuzzer'

[Hubert Kario]

run with specifying in environment where the modules can be found:

PYTHONPATH=. python scripts/test-conversation.py

[sajualways]

Thanks !