##### SUMMARY

In the Kubernetes collection's CI tests, the sanity check, which uses `ansible-test sanity --docker -v --color --python 3.6`, started failing with the following error:

```
ERROR: Command "importer.py" returned exit status 1.
>>> Standard Error
Traceback (most recent call last):
  File "/root/ansible/ansible_collections/community/kubernetes/tests/output/.tmp/sanity/import/minimal-py36/bin/importer.py", line 447, in <module>
    main()
  File "/root/ansible/ansible_collections/community/kubernetes/tests/output/.tmp/sanity/import/minimal-py36/bin/importer.py", line 51, in main
    from ansible.utils.collection_loader import AnsibleCollectionLoader
  File "/root/ansible/lib/ansible/utils/collection_loader.py", line 15, in <module>
    from ansible import constants as C
  File "/root/ansible/lib/ansible/constants.py", line 12, in <module>
    from jinja2 import Template
ModuleNotFoundError: No module named 'jinja2'
```

Nothing in the collection has changed in the past week, and no runs failed until this morning's CI run, so it seems something committed to ansible/ansible `devel` has caused this failure.

##### ISSUE TYPE

- Bug Report

##### COMPONENT NAME

ansible-test

##### ANSIBLE VERSION

devel (as of this morning)

##### CONFIGURATION

N/A - defaults

##### OS / ENVIRONMENT

Linux

##### STEPS TO REPRODUCE

  1. Clone kubernetes collection repo
  2. Install Ansible @ devel
  3. Run `ansible-test sanity --docker -v --color --python 3.6`

##### EXPECTED RESULTS

Tests should pass, as they have for the past few weeks.

##### ACTUAL RESULTS

Test fail, with the message in this issue's summary.
else:
                text.append("%s" % doc.pop('deprecated'))
            text.append("\n")
        try:
            support_block = DocCLI.get_support_block(doc)
            if support_block:
                text.extend(support_block)
        except Exception:
            pass  
        if doc.pop('action', False):
            text.append("  * note: %s\n" % "This module has a corresponding action plugin.")
        if 'options' in doc and doc['options']:
            text.append("OPTIONS (= is mandatory):\n")
            DocCLI.add_fields(text, doc.pop('options'), limit, opt_indent)
            text.append('')
        if 'notes' in doc and doc['notes'] and len(doc['notes']) > 0:
            text.append("NOTES:")
            for note in doc['notes']:
                text.append(textwrap.fill(DocCLI.tty_ify(note), limit - 6,
                                          initial_indent=opt_indent[:-2] + "* ", subsequent_indent=opt_indent))
            text.append('')
            text.append('')
            del doc['notes']
        if 'seealso' in doc and doc['seealso']:
            text.append("SEE ALSO:")
            for item in doc['seealso']:
                if 'module' in item:
                    text.append(textwrap.fill(DocCLI.tty_ify('Module %s' % item['module']),
                                limit - 6, initial_indent=opt_indent[:-2] + "* ", subsequent_indent=opt_indent))
                    description = item.get('description', 'The official documentation on the %s module.' % item['module'])