start fail

[bv3un]

follow install procedure but get error as blow

python3 ./YSFReflector /opt/pYSFReflector/YSFReflector.ini
File "./YSFReflector", line 1423
s1 = " ".join([f"{i:02x}" for i in b]) # hex string

[iu5jae]

python version ?

[bv3un]

Dear Sir
python3 --version
Python 3.5.3

[dg9vh]

Hi,

I think pYSFreflector needs at least python V 3.7 or higher.

[bv3un]

Dear Sir
thanks .i am use debian 9.13 and i try to do apt update and upgrade and upgrade python 3.9 but got fail .due to i am not familiar with how to upgrade it .could you please tell my a over all step ? thanks