Error trying to list vnet

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

## Describe the bug

**Command Name**
`az network vnet list`

**Errors:**
```
cannot import name 'BatchManagementClient' from 'azure.mgmt.batch' (/usr/lib/python3/dist-packages/azure/mgmt/batch/__init__.py)
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 558, in execute
self.commands_loader.load_arguments(command)
...
network/private_link_resource_and_endpoint_connections/resource_providers/batch_provider.py, ln 6, in
from azure.mgmt.batch import BatchManagementClient
ImportError: cannot import name 'BatchManagementClient' from 'azure.mgmt.batch' (/usr/lib/python3/dist-packages/azure/mgmt/batch/__init__.py)
```

## 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 network vnet list`

## Expected Behavior

## Environment Summary
```
Linux-5.11.0-31-generic-x86_64-with-glibc2.33
Python 3.9.5
Installer: DEB

azure-cli 2.18.0 *

Extensions:
aks-preview Unknown
azure-devops 0.19.0

```
## Additional Context