Error when querying for current attestation policy

[csegarragonz]

Describe the bug

Command Name
az attestation policy show Extension Name: attestation. Version: 0.2.0.

Errors:

The command failed with an unexpected error. Here is the traceback:
It is required that you pass in a value for the "algorithms" argument when calling decode().
Traceback (most recent call last):
  File "/opt/az/lib/python3.6/site-packages/knack/cli.py", line 231, in invoke
    cmd_result = self.invocation.execute(args)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py", line 657, in execute
    raise ex
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py", line 720, in _run_jobs_serially
    results.append(self._run_job(expanded_arg, cmd_copy))
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py", line 691, in _run_job
    result = cmd_copy(params)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py", line 328, in __call__
    return self.handler(*args, **kwargs)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/command_operation.py", line 363, in handler
    show_exception_handler(ex)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/arm.py", line 429, in show_exception_handler
    raise ex
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/command_operation.py", line 361, in handler
    return op(**command_args)
  File "/home/csegarra/.azure/cliextensions/attestation/azext_attestation/manual/custom.py", line 191, in get_policy
    policy = jwt.decode(token, verify=False).get('x-ms-policy', '')
  File "/opt/az/lib/python3.6/site-packages/jwt/api_jwt.py", line 119, in decode
    decoded = self.decode_complete(jwt, key, algorithms, options, **kwargs)
  File "/opt/az/lib/python3.6/site-packages/jwt/api_jwt.py", line 87, in decode_complete
    'It is required that you pass in a value for the "algorithms" argument when calling decode().'
jwt.exceptions.DecodeError: It is required that you pass in a value for the "algorithms" argument when calling decode().

To Reproduce:

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

• az attestation policy show --resource-group {} --name {} --attestation-type {}

Expected Behavior

Environment Summary

Linux-4.15.0-96-generic-x86_64-with-debian-buster-sid
Python 3.6.10
Installer: DEB

azure-cli 2.27.2

Extensions:
attestation 0.2.0

Additional Context

[ghost]

Thanks for the feedback! We are routing this to the appropriate team for follow-up. cc @anilba06.

Issue Details

---

Describe the bug

Command Name
az attestation policy show Extension Name: attestation. Version: 0.2.0.

Errors:

The command failed with an unexpected error. Here is the traceback:
It is required that you pass in a value for the "algorithms" argument when calling decode().
Traceback (most recent call last):
  File "/opt/az/lib/python3.6/site-packages/knack/cli.py", line 231, in invoke
    cmd_result = self.invocation.execute(args)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py", line 657, in execute
    raise ex
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py", line 720, in _run_jobs_serially
    results.append(self._run_job(expanded_arg, cmd_copy))
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py", line 691, in _run_job
    result = cmd_copy(params)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py", line 328, in __call__
    return self.handler(*args, **kwargs)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/command_operation.py", line 363, in handler
    show_exception_handler(ex)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/arm.py", line 429, in show_exception_handler
    raise ex
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/command_operation.py", line 361, in handler
    return op(**command_args)
  File "/home/csegarra/.azure/cliextensions/attestation/azext_attestation/manual/custom.py", line 191, in get_policy
    policy = jwt.decode(token, verify=False).get('x-ms-policy', '')
  File "/opt/az/lib/python3.6/site-packages/jwt/api_jwt.py", line 119, in decode
    decoded = self.decode_complete(jwt, key, algorithms, options, **kwargs)
  File "/opt/az/lib/python3.6/site-packages/jwt/api_jwt.py", line 87, in decode_complete
    'It is required that you pass in a value for the "algorithms" argument when calling decode().'
jwt.exceptions.DecodeError: It is required that you pass in a value for the "algorithms" argument when calling decode().

To Reproduce:

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

• az attestation policy show --resource-group {} --name {} --attestation-type {}

Expected Behavior

Environment Summary

Linux-4.15.0-96-generic-x86_64-with-debian-buster-sid
Python 3.6.10
Installer: DEB

azure-cli 2.27.2

Extensions:
attestation 0.2.0

Additional Context

Author:	csegarragonz
Assignees:	-
Labels:	customer-reported, Service Attention, Attestation
Milestone:	-

[yonzhan]

route to service team

[jsntcy]

@csegarragonz, could you please check the version of pyjwt on your machine? There are some breaking changes since pyjwt 2.0.0.