##### SUMMARY
The vmware_vm_inventory plugin cannot verify the inventory file when being loaded via the auto plugin

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
lib/ansible/plugins/inventory/vmware_vm_inventory.py

##### ANSIBLE VERSION
```paste below
ansible 2.8.1
  config file = None
  configured module search path = ['/Users/wtome/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/Cellar/ansible/2.8.1_1/libexec/lib/python3.7/site-packages/ansible
  executable location = /usr/local/bin/ansible
  python version = 3.7.4 (default, Sep  7 2019, 18:27:02) [Clang 10.0.1 (clang-1001.0.46.4)]
```

##### CONFIGURATION
```paste below

```

##### OS / ENVIRONMENT
MacOS 10.14.6


##### STEPS TO REPRODUCE
vmware_vm_inventory.yaml
```yaml
---
plugin: vmware_vm_inventory
strict: True
```

##### EXPECTED RESULTS
Inventory should be parsed from vCenter

##### ACTUAL RESULTS
```paste below
ansible-inventory -i vmware_vm_inventory.yaml --playbook-dir=. --list
 [WARNING]:  * Failed to parse /Users/wtome/ansible-
inventory/tests/vmware_vm_inventory.yaml with auto plugin: inventory config
'/Users/wtome/ansible-
inventory/tests/vmware_vm_inventory.yaml' could not be verified by plugin
'vmware_vm_inventory'
```

#
#
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
    name: vmware_vm_inventory
    plugin_type: inventory
    short_description: VMware Guest inventory source
    version_added: "2.7"
    author:
      - Abhijeet Kasurde (@Akasurde)
    description:
        - Get virtual machines as inventory hosts from VMware environment.
        - Uses any file which ends with vmware.yml or vmware.yaml as a YAML configuration file.
        - The inventory_hostname is always the 'Name' and UUID of the virtual machine. UUID is added as VMware allows virtual machines with the same name.
    extends_documentation_fragment:
      - inventory_cache
    requirements:
      - "Python >= 2.7"
      - "PyVmomi"
      - "requests >= 2.3"
      - "vSphere Automation SDK - For tag feature"
      - "vCloud Suite SDK - For tag feature"
    options:
        hostname: