Feedback on request

### **This is autogenerated. Please review and update as needed.**

## Describe the bug

**Command Name**
`az ad sp list`

**Errors:**
```
400 Client Error: Bad Request for url: http://localhost:50342/oauth2/token
Traceback (most recent call last):
python3.6/site-packages/knack/cli.py, ln 215, in invoke
cmd_result = self.invocation.execute(args)
cli/core/commands/__init__.py, ln 654, in execute
raise ex
cli/core/commands/__init__.py, ln 718, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
cli/core/commands/__init__.py, ln 709, in _run_job
cmd_copy.exception_handler(ex)
...
python3.6/site-packages/msrestazure/azure_active_directory.py, ln 486, in get_msi_token
result.raise_for_status()
python3.6/site-packages/requests/models.py, ln 940, in raise_for_status
raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 400 Client Error: Bad Request for url: http://localhost:50342/oauth2/token
```

## 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 ad sp list --output {}`

## Expected Behavior

## Environment Summary
```
Linux-4.15.0-1095-azure-x86_64-with-debian-stretch-sid (Cloud Shell)
Python 3.6.10
Installer: DEB

azure-cli 2.12.0

Extensions:
ai-examples 0.2.3

```
## Additional Context