Can't retrieve boot log due to 'RetrieveBootDiagnosticsDataResult' object has no attribute 'done'

[mhcerri]

This is autogenerated. Please review and update as needed.

Describe the bug

Command Name
az vm boot-diagnostics get-boot-log

Errors:

'RetrieveBootDiagnosticsDataResult' object has no attribute 'done'
Traceback (most recent call last):
python3.6/site-packages/knack/cli.py, ln 233, in invoke
    cmd_result = self.invocation.execute(args)
cli/core/commands/__init__.py, ln 660, in execute
    raise ex
cli/core/commands/__init__.py, ln 723, in _run_jobs_serially
    results.append(self._run_job(expanded_arg, cmd_copy))
cli/core/commands/__init__.py, ln 716, in _run_job
    six.reraise(*sys.exc_info())
lib/python3.6/site-packages/six.py, ln 703, in reraise
    raise value
...
azure/cli/core/__init__.py, ln 808, in default_command_handler
    return op(**command_args)
cli/command_modules/vm/custom.py, ln 1501, in get_boot_log
    uris = LongRunningOperation(cmd.cli_ctx)(poller)
cli/core/commands/__init__.py, ln 958, in __call__
    while not poller.done():
AttributeError: 'RetrieveBootDiagnosticsDataResult' object has no attribute 'done'

To Reproduce:

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

• Put any pre-requisite steps here...
• az vm boot-diagnostics get-boot-log -g {} -n {}

Expected Behavior

Environment Summary

Linux-5.11.0-27-generic-x86_64-with-debian-bullseye-sid
Python 3.6.10
Installer: DEB

azure-cli 2.20.0 *

Additional Context

[yonzhan]

Compute