AttributeError: 'AzureStorageJobTaskDetails' object has no attribute 'start_time' when checking Azure Files backup job status #31946
Description
Describe the bug
When checking the status of an Azure Files backup job using az backup job show, the command fails with an AttributeError indicating that 'AzureStorageJobTaskDetails' object has no attribute 'start_time'.
Related command
az backup job show
Errors
AttributeError: 'AzureStorageJobTaskDetails' object has no attribute 'start_time'.
Full traceback:
File "/opt/homebrew/Cellar/azure-cli/2.76.0/libexec/lib/python3.12/site-packag
es/azure/cli/command_modules/backup/custom_help.py", line 341, in
replace_min_value_in_subtask
if task.start_time == datetime.min:
^^^^^^^^^^^^^^^
AttributeError: 'AzureStorageJobTaskDetails' object has no attribute
'start_time'
Issue script & Debug output
The error occurs when monitoring Azure Files backup jobs. The replace_min_value_in_subtask function assumes all task objects have start_time attribute, but AzureStorageJobTaskDetails doesn't.
Expected behavior
The command should successfully return the backup job status for Azure Files without AttributeError.
Environment Summary
macOS, azure-cli 2.76.0, Python 3.12 (Homebrew installation)
azure-cli 2.76.0
core 2.76.0
telemetry 1.1.0
Extensions:
dataprotection 1.6.0
k8s-extension 1.6.7
Dependencies:
msal 1.33.0b1
azure-mgmt-resource 23.3.0
Python location '/opt/homebrew/Cellar/azure-cli/2.76.0/libexec/bin/python'
Config directory '/Users/shreyashvaish/.azure'
Extensions directory '/Users/shreyashvaish/.azure/cliextensions'
Python (Darwin) 3.12.11 (main, Jun 3 2025, 15:41:47) [Clang 17.0.0 (clang-1700.0.13.3)]
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Additional context
The code at line 341 in custom_help.py needs to check if the attribute exists before accessing it: if hasattr(task, 'start_time') and task.start_time == datetime.min: