#2767 pyosaf: Fix invoke_admin_operation() method of ImmOmAgent

[Danh Vo]

An error occurs when using the invoke_admin_operation() method to perform an admin operation which resturns operation_rc that is not SA_AIS_OK.

line: 292
log_err("Administrative operation(%s) on %s FAILED - %s" %
(op_id, object_dn, eSaAisErrorT.whatis(operation_rc)))

[Thien Minh Huynh]

commit f938c0c375bbd77c4343d4bf3bed57abd45b58aa (HEAD -> develop, origin/develop)
Author: thien.m.huynh thien.m.huynh@dektech.com.au
Date: Tue May 11 09:50:58 2021 +0700

pyosaf: Correct input for eSaAisErrorT.whatis() [#2767]

There is a problem in process return code:
operation_rc return type as object (cint) but
eSaAisErrorT.whatis require input type interger.
This fix is Correct input for eSaAisErrorT.whatis()

In addition, this ticket allow immadm python tool can run
without argument params.