Updating a vm without elements in disk_list result in: An exception occurred during task execution. To see the full traceback, use -vvv. The error was: TypeError: object of type 'NoneType' has no len()

[Yannick Struyf]

Example playbook:

• name: "Creating vm"
  nutanix_vm:
  validate_certs: no
  name: "{{name }}"
  state: "{{ state }}"
  cluster: "{{cluster_uuid}}"
  cpu: "{{ cpu }}"
  vcpu: 1
  memory: "{{ memory }}"
  disk_list:
  nic_list:
  - subnet_reference:
  uuid: "{{subnet_uuid}}"

Initial creation works fine but re-running the playbook result in following output:
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: TypeError: object of type 'NoneType' has no len()