modsec-log-parser.py is not working on ubuntu 20.04

Hi Folks,

Am I missing anything?
`python3 modsec-log-parser.py --delim ';' --summary="client,matchMessage,file,line,msg,data,hostname,uri" /var/log/nginx/ixxx/error.log
  File "modsec-log-parser.py", line 50
    for xx in summary.split(","):
                                ^
TabError: inconsistent use of tabs and spaces in indentation
`