import subprocess
proc = subprocess.check_output("auditpol /get /category:*").decode('utf-8')
print (proc)

Traceback (most recent call last):
 File "C:UsersmeDesktoptest.py", line 14, in <module>
  proc = subprocess.check_output("auditpol /get /category:*").decode('utf-8')
 File "C:Program FilesPython36libsubprocess.py", line 336, in
  check_output**kwargs).stdout
 File "C:Program FilesPython36libsubprocess.py", line 418, in run
  output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command 'auditpol /get /category:*' returned
 non-zero exit status 1314.