error when using pubsub.py development

[unclevito2017]

python --version Python 2.7.18
python pubsub.py 02CEB6CBBCDBDF5EF7150682150F4CE2C6F4807B349827DCDBDD1F2EFA885A2630 100000 120 keysub120.bin
File "pubsub.py", line 97
if m%10000==0: print('[+] Finished Total SubKeys # ', m, end= '\r')
^
SyntaxError: invalid syntax

python3 --version Python 3.8.5
python3 pubsub.py 02CEB6CBBCDBDF5EF7150682150F4CE2C6F4807B349827DCDBDD1F2EFA885A2630 100000 120 keysub120.bin
Traceback (most recent call last):
File "pubsub.py", line 40, in
ice = ctypes.CDLL('ice_secp256k1.dll')
File "/usr/lib/python3.8/ctypes/init.py", line 373, in init
self._handle = _dlopen(self._name, mode)
OSError: ice_secp256k1.dll: cannot open shared object file: No such file or directory

python3 pubsub.py 02CEB6CBBCDBDF5EF7150682150F4CE2C6F4807B349827DCDBDD1F2EFA885A2630 100000 120 keysub120.txt
Traceback (most recent call last):
File "pubsub.py", line 40, in
ice = ctypes.CDLL('ice_secp256k1.dll')
File "/usr/lib/python3.8/ctypes/init.py", line 373, in init
self._handle = _dlopen(self._name, mode)
OSError: ice_secp256k1.dll: cannot open shared object file: No such file or directory

Using Ubuntu 20.04 WSL under Win 10
bitcoin keysubtracter from albertobsd works on WSL is the output compatible

[iceland2k14]

Development Branch is still Windows. Linux is not not yet finished.
The logic used in this keysubtractor is a little different. It is predictable Random.
Linux Added.