File "./gpcheckintegrity", line 335 - "SyntaxError: invalid syntax"

[tbozzio]

[gpadmin@sept2021-m ~]$ psql -c "select version();"
                                                                                               version                                                                                                
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 PostgreSQL 8.3.23 (Greenplum Database 5.28.2 build commit:219fe0c4fd60662a481a2a927835c6309e02a995) on x86_64-pc-linux-gnu, compiled by GCC gcc (GCC) 6.2.0, 64-bit compiled on Sep 30 2020 23:23:21
(1 row)

[gpadmin@sept2021-m ~]$ 
[gpadmin@sept2021-m ~]$ curl -L -o gpcheckintegrity https://raw.githubusercontent.com/ielizaga/gpcheckintegrity/master/gpcheckintegrity
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 15399  100 15399    0     0  24367      0 --:--:-- --:--:-- --:--:-- 30372
[gpadmin@sept2021-m ~]$ 
[gpadmin@sept2021-m ~]$ chmod +x gpcheckintegrity
[gpadmin@sept2021-m ~]$ 
[gpadmin@sept2021-m ~]$ ./gpcheckintegrity --help
  File "./gpcheckintegrity", line 335
    return True if line[:-1] in ('Y', 'y', 'yes', 'Yes')
                                                       ^
SyntaxError: invalid syntax
[gpadmin@sept2021-m ~]$