##### 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.
VAULT_VERSION_MIN = 1.0
VAULT_VERSION_MAX = 1.0
INVALID_VARIABLE_NAMES = re.compile(r'^[\d\W]|[^\w]')
COMMON_CONNECTION_VARS = frozenset(('ansible_connection', 'ansible_host', 'ansible_user', 'ansible_shell_executable',
                                    'ansible_port', 'ansible_pipelining', 'ansible_password', 'ansible_timeout',
                                    'ansible_shell_type', 'ansible_module_compression', 'ansible_private_key_file'))
MAGIC_VARIABLE_MAPPING = dict(
    
    connection=('ansible_connection', ),
    module_compression=('ansible_module_compression', ),
    shell=('ansible_shell_type', ),
    executable=('ansible_shell_executable', ),
    
    remote_addr=('ansible_ssh_host', 'ansible_host'),
    remote_user=('ansible_ssh_user', 'ansible_user'),
    password=('ansible_ssh_pass', 'ansible_password'),
    port=('ansible_ssh_port', 'ansible_port'),
    pipelining=('ansible_ssh_pipelining', 'ansible_pipelining'),
    timeout=('ansible_ssh_timeout', 'ansible_timeout'),
    private_key_file=('ansible_ssh_private_key_file', 'ansible_private_key_file'),
    
    network_os=('ansible_network_os', ),
    connection_user=('ansible_connection_user',),
    
    ssh_executable=('ansible_ssh_executable', ),
    ssh_common_args=('ansible_ssh_common_args', ),
    sftp_extra_args=('ansible_sftp_extra_args', ),
    scp_extra_args=('ansible_scp_extra_args', ),
    ssh_extra_args=('ansible_ssh_extra_args', ),
    ssh_transfer_method=('ansible_ssh_transfer_method', ),