UnboundLocalError: local variable 'stack' referenced before assignment

Issue

To separate the provisioning and configuration processes, while performing 'overcloud deploy' using --limit and --config-download-only flag, 'overcloud deploy' command is successful with following error.

2024-05-02 21:05:46.302 368796 INFO tripleoclient.utils.utils [-] Temporary directory [ /tmp/tripleo0tytw_nz ] cleaned up
2024-05-02 21:05:46.303 368796 INFO tripleoclient.utils.utils [-] Ansible execution success. playbook: /home/stack/overcloud-deploy/overcloud/config-download/overcloud/deploy_steps_playbook.yaml
Overcloud configuration completed for stack: overcloud
2024-05-02 21:05:46.303 368796 INFO tripleoclient.v1.overcloud_deploy.DeployOvercloud [-] Overcloud configuration completed for stack: overcloud
2024-05-02 21:05:46.346 368796 WARNING tripleoclient.utils.safe_write [-] The output file /home/stack/overcloud-deploy/overcloud/overcloud-deployment_status.yaml will be overriden
2024-05-02 21:05:46.346 368796 ERROR tripleoclient.v1.overcloud_deploy.DeployOvercloud [-] Exception during postconfig: UnboundLocalError: local variable 'stack' referenced before assignment
2024-05-02 21:05:46.347 368796 ERROR tripleoclient.v1.overcloud_deploy.DeployOvercloud [-] local variable 'stack' referenced before assignment: UnboundLocalError: local variable 'stack' referenced before assignment
Overcloud Endpoint: None
Overcloud Horizon Dashboard URL: None
Overcloud rc file: None and None
Overcloud Deployed successfully
2024-05-02 21:05:46.543 368796 INFO tripleoclient.v1.overcloud_deploy.DeployOvercloud [-] Stopping ephemeral heat.
2024-05-02 21:05:46.544 368796 ERROR tripleoclient.v1.overcloud_deploy.DeployOvercloud [-] Exception stopping ephemeral Heat
2024-05-02 21:05:46.545 368796 ERROR tripleoclient.v1.overcloud_deploy.DeployOvercloud [-] 'NoneType' object has no attribute 'kill_heat'
2024-05-02 21:05:48.341 368796 INFO osc_lib.shell [-] END return value: None