Patching vIDM 3.3.7 with CSP-102092 fails with ModuleNotFoundError

Products

• VCF Operations/Automation (formerly VMware Aria Suite)

Issue/Introduction

• Attempting to patch vIDM 3.3.7 with CSP-102092 fails with the following error

2025-10-18 14:39:49 - Patch directory ready: CSP-102092-Appliance-3.3.7
2025-10-18 14:39:49 - Running patch script: CSP-102092-applyPatch.sh
2025-10-18 14:39:49 - Tail the log file /opt/vmware/var/log/update/vidm-CSP-102092-update.log for live logs..
2025-10-18 14:39:49 - Running pre patch validations...
2025-10-18 14:39:49 - Sufficient disk space in /db/vidm_upgrade/CSP-102092-Appliance-3.3.7-Patch/CSP-102092-Appliance-3.3.7: 50GB
2025-10-18 14:39:49 - Pre-checks passed successfully.
Traceback (most recent call last):
  File "/opt/vmware/bin/vamicli", line 34, in <module>
    import pywbem
  File "/opt/vmware/lib/python/site-packages/pywbem/__init__.py", line 40, in <module>
    from cim_types import *
ModuleNotFoundError: No module named 'cim_types'

• Attempting to run the following command on the vIDM appliance also fails

  vamicli version --appliance

  Traceback (most recent call last):
  File "/opt/vmware/bin/vamicli", line 34, in <module>
    import pywbem
  File "/opt/vmware/lib/python/site-packages/pywbem/{}init{}.py", line 40, in <module>
    from cim_types import *
ModuleNotFoundError: No module named 'cim_types'

Environment

vIDM 3.3.7

Cause

This issue occurs due to python being changed on the system to python 3

Resolution

To resolve this issue confirm that python has been altered on the system

1. Run the following command on the vIDM appliance

head -1 /opt/vmware/bin/vamicli

Incorrect Output

#!/usr/bin/env python

Correct Output

#!/usr/bin/env python2

2. If you receive an incorrect output from the command above then edit the first line in the /opt/vmware/bin/vamicli file to look like below 

#!/usr/bin/env python2

3. Restart the vami-sfcb service

systemctl restart vami-sfcb 

4. Attempt to patch vIDM once again following the instructions outlined here