az storage blob directory download fails with AttributeError

[petergaultney]

Describe the bug

Command Name az storage blob directory download Extension Name: storage-preview. Version: None.

Errors:

'NoneType' object has no attribute '__name__'
Traceback (most recent call last):
python3/dist-packages/knack/cli.py, ln 233, in invoke
    cmd_result = self.invocation.execute(args)
cli/core/commands/__init__.py, ln 659, in execute
    raise ex
...
cliextensions/storage-preview/azext_storage_preview/_client_factory.py, ln 33, in get_data_service_client
    logger.debug('Getting data service client service_type=%s', service_type.__name__)
AttributeError: 'NoneType' object has no attribute '__name__'

To Reproduce:

Steps to reproduce the behavior. Note that argument values have been redacted, as they may contain sensitive information.

• az login -i
• az storage blob directory download -c {} -s {} -d {} --account-name {} --auth-mode {}

Expected Behavior

Environment Summary

Linux-5.4.0-1078-azure-x86_64-with-glibc2.31
Python 3.9.2
Installer: DEB

azure-cli 2.18.0 *

Extensions:
storage-preview Unknown
azure-devops 0.19.0

Additional Context

I tried a bunch of other ways to download stuff, none of which worked, but they failed with meaningful errors. Then I tried this. :/

[yonzhan]

storage

[RakeshMohanMSFT]

@petergaultney Thank you for reaching out, we are looking into it.

[RakeshMohanMSFT]

@petergaultney You are using a pretty old version of azure cli, can you upgrade to latest version of azure cli 2.40.0 and retry?

[ghost]

Thank you for your feedback. This has been routed to the support team for assistance.

[ghost]

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