Typeerror= reduce ex error

[jooker23]

File "/usr/lib/python3/dist-packages/yaml/representer.py", line 317, in represent_object
reduce = data.reduce_ex(2)
TypeError: reduce_ex() takes exactly one argument (0 given)

Hi, i've got an error when i started ur project. How can i fix it .
Thanks.
My python version 3.8.10

[isk03276]

Hi, sorry for the late reply.

It seems to be a python version problem. (yaml package)
Would you like to test on Python 3.7.9 version?