### 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
if not shell_type:
        
        shell_type = 'sh'
        
        if executable:
            if isinstance(executable, string_types):
                shell_filename = os.path.basename(executable)
                try:
                    shell = shell_loader.get(shell_filename)
                except Exception:
                    shell = None
                if shell is None:
                    for shell in shell_loader.all():
                        if shell_filename in shell.COMPATIBLE_SHELLS:
                            shell_type = shell.SHELL_FAMILY
                            break
        else:
            raise AnsibleError("Either a shell type or a shell executable must be provided ")
    shell = shell_loader.get(shell_type)
    if not shell:
        raise AnsibleError("Could not find the shell plugin required (%s)." % shell_type)
    if executable:
        setattr(shell, 'executable', executable)
    return shell
def add_dirs_to_loader(which_loader, paths):
    loader = getattr(sys.modules[__name__], '%s_loader' % which_loader)
    for path in paths:
        loader.add_directory(path, with_subdir=True)
class PluginPathContext(object):