### Summary

Ansible devel sanity tests failing with error: packaging Python module unavailable; unable to validate the collection

### Issue Type

Bug Report

### Component Name

ansible sanity tests

### Ansible Version

```console
$ ansible devel
```


### Configuration

```console
$ ansible-config dump --only-changed
```


### OS / Environment

mac os

### Steps to Reproduce

<!--- Paste example playbooks or commands between quotes below -->
```yaml (paste below)

```
Ansible devel sanity tests is failing with `stderr: [WARNING]: packaging Python module unavailable; unable to validate collection`. Plz ref the below test failures:
[ansible-test-sanity-docker-devel](https://dashboard.zuul.ansible.com/t/ansible/build/ffc5d7c618a740bf9c783e15c2d14806)
[network-ee-sanity-tests](https://dashboard.zuul.ansible.com/t/ansible/build/b4ab02b51d76487b97356f3c6ffe76fe)

### Expected Results

Ansible sanity tests run without failure for `devel`

### Actual Results

```console
Ansible sanity tests fail for `devel`
```


### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
name: vendor2
short_description: lookup
description: Lookup.
author:
  - Ansible Core Team
'''
EXAMPLES = '''#'''
RETURN = '''#'''
from ansible.plugins.lookup import LookupBase
try:
    import demo
except ImportError:
    pass
else:
    raise Exception('demo import found when it should not be')
class LookupModule(LookupBase):
    def run(self, terms, variables, **kwargs):
        self.set_options(var_options=variables, direct=kwargs)
        return terms