az extension update --name azure-devops

### Describe the bug

Issue with running this command. It requests me to install az extension, however I accidentally stopped it halfway during installing. Turns out that I got this unexpected error whenever I run this command.

### Related command

az extension update --name azure-devops

### Errors

### Issue script & Debug output

cli.knack.cli: Command arguments: ['extension', 'update', '--name', 'azure-devops', '--debug']
cli.knack.cli: __init__ debug log:
Enable color in terminal.
cli.knack.cli: Event: Cli.PreExecute []
cli.knack.cli: Event: CommandParser.OnGlobalArgumentsCreate [, , ]
cli.knack.cli: Event: CommandInvoker.OnPreCommandTableCreate []
cli.azure.cli.core: Modules found from index for 'extension': ['azure.cli.command_modules.extension']
cli.azure.cli.core: Loading command modules:
cli.azure.cli.core: Name Load Time Groups Commands
cli.azure.cli.core: extension 0.002 1 7
cli.azure.cli.core: Total (1) 0.002 1 7
cli.azure.cli.core: These extensions are not installed and will be skipped: ['azext_ai_examples', 'azext_next']
cli.azure.cli.core: Loading extensions:
cli.azure.cli.core: Name Load Time Groups Commands Directory
cli.azure.cli.core: Total (0) 0.000 0 0
cli.azure.cli.core: Loaded 1 groups, 7 commands.
cli.azure.cli.core: Found a match in the command table.
cli.azure.cli.core: Raw command : extension update
cli.azure.cli.core: Command table: extension update
cli.knack.cli: Event: CommandInvoker.OnPreCommandTableTruncate []
cli.azure.cli.core.azlogging: metadata file logging enabled - writing logs to '/home/adrianchong/.azure/commands/2026-03-26.23-03-42.extension_update.2353135.log'.
az_command_data_logger: command args: extension update --name {} --debug
cli.knack.cli: Event: CommandInvoker.OnPreArgumentLoad [.add_subscription_parameter at 0x7f617ed9ca40>]
cli.knack.cli: Event: CommandInvoker.OnPostArgumentLoad []
cli.knack.cli: Event: CommandInvoker.OnPostCommandTableCreate [.add_ids_arguments at 0x7f617ed9fce0>, .add_cache_arguments at 0x7f617ed9fe20>, .update_breaking_change_info at 0x7f617ed9fec0>]
cli.knack.cli: Event: CommandInvoker.OnCommandTableLoaded []
cli.knack.cli: Event: CommandInvoker.OnPreParseArgs []
cli.knack.cli: Event: CommandInvoker.OnPostParseArgs [, , .parse_ids_arguments at 0x7f617ed9fd80>]
cli.azure.cli.core.azclierror: Traceback (most recent call last):
File "/usr/lib64/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 666, in execute
raise ex
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 703, in _run_job
result = cmd_copy(params)
^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 336, in __call__
return self.handler(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 120, in handler
return op(**command_args)
^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/command_modules/extension/custom.py", line 35, in update_extension_cmd
return update_extension(cli_ctx=cmd.cli_ctx, extension_name=extension_name, index_url=index_url,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/extension/operations.py", line 408, in update_extension
cur_version = ext.get_version()
^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/extension/__init__.py", line 133, in get_version
return self.metadata.get('version')
^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'get'

cli.azure.cli.core.azclierror: The command failed with an unexpected error. Here is the traceback:
az_command_data_logger: The command failed with an unexpected error. Here is the traceback:
cli.azure.cli.core.azclierror: 'NoneType' object has no attribute 'get'
Traceback (most recent call last):
File "/usr/lib64/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 666, in execute
raise ex
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 703, in _run_job
result = cmd_copy(params)
^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 336, in __call__
return self.handler(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 120, in handler
return op(**command_args)
^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/command_modules/extension/custom.py", line 35, in update_extension_cmd
return update_extension(cli_ctx=cmd.cli_ctx, extension_name=extension_name, index_url=index_url,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/extension/operations.py", line 408, in update_extension
cur_version = ext.get_version()
^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/extension/__init__.py", line 133, in get_version
return self.metadata.get('version')
^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'get'
az_command_data_logger: 'NoneType' object has no attribute 'get'
Traceback (most recent call last):
File "/usr/lib64/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 666, in execute
raise ex
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 703, in _run_job
result = cmd_copy(params)
^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 336, in __call__
return self.handler(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 120, in handler
return op(**command_args)
^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/command_modules/extension/custom.py", line 35, in update_extension_cmd
return update_extension(cli_ctx=cmd.cli_ctx, extension_name=extension_name, index_url=index_url,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/extension/operations.py", line 408, in update_extension
cur_version = ext.get_version()
^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/extension/__init__.py", line 133, in get_version
return self.metadata.get('version')
^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'get'
To check existing issues, please visit: https://github.com/Azure/azure-cli/issues
cli.knack.cli: Event: Cli.PostExecute []
az_command_data_logger: exit code: 1
cli.__main__: Command ran in 0.367 seconds (init: 0.182, invoke: 0.184)
telemetry.main: Begin splitting cli events and extra events, total events: 1
telemetry.client: Accumulated 0 events. Flush the clients.
telemetry.main: Finish splitting cli events and extra events, cli events: 1
telemetry.save: Save telemetry record of length 7657 in cache file under /home/adrianchong/.azure/telemetry/20260326230342435
telemetry.main: Begin creating telemetry upload process.
telemetry.process: Creating upload process: "/usr/local/bin/python3.12 /usr/lib64/az/lib/python3.12/site-packages/azure/cli/telemetry/__init__.py /home/adrianchong/.azure /home/adrianchong/.azure/telemetry/20260326230342435"
telemetry.process: Return from creating process 2353165
telemetry.main: Finish creating telemetry upload process.

### Expected behavior

it would help me to install the az extention

### Environment Summary

azure-cli 2.75.0 *

core 2.75.0 *
telemetry 1.1.0

Extensions:
azure-devops Unknown

Dependencies:
msal 1.33.0b1
azure-mgmt-resource 23.3.0

Python location '/usr/local/bin/python3.12'
Config directory '/home/adrianchong/.azure'
Extensions directory '/home/adrianchong/.azure/cliextensions'

Python (Linux) 3.12.3 (main, Jul 2 2024, 20:57:30) [GCC 8.5.0 20210514 (Red Hat 8.5.0-22)]

Legal docs and information: aka.ms/AzureCliLegal

You have 2 update(s) available. Consider updating your CLI installation with 'az upgrade'

### Additional context

_No response_