I am not sure how to resolve this error when it is occurring in my Pipeline release:

It's related to the VM creation date in my script:
def list_debugvms():
debug_vms = compute_client.virtual_machines.list(resource_group_name)
ticket_number_list = [ ]
for vm in debug_vms:
if vm.name == "bug-devops-vm-0":
continue
json_string = vm.tags
ownerEmail = json_string['OwnerEmail']
ticket_number = vm.name.split("-")[1]
date = datetime.datetime.strftime(vm.time_created, "%d-%m-%Y")
print("virtual machine name:", vm.name , ", ticket number:" , ticket_number , ", Owner Email:" , ownerEmail , ", creation date:" , date)
If I run this python script locally, it works just fine. But in my ADO Pipeline I am getting the error above. Any ideas on how I resolve this?