fix ansible-test sanity errors

plugins/inventory/proxmox.py

@@ -9,16 +9,16 @@ from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
 DOCUMENTATION = """
-    name: proxmox
-    plugin_type: inventory
-    short_description: Proxmox VE inventory source
-    version_added: 1.1.0
-    description:
+---
+name: proxmox
+short_description: Proxmox VE inventory source
+version_added: 1.1.0
+description:
   - Get inventory hosts from the proxmox service.
   - "Uses a configuration file as an inventory source, it must end in C(.proxmox.yml) or C(.proxmox.yaml) and has a C(plugin: xoxys.general.proxmox) entry."
-    extends_documentation_fragment:
+extends_documentation_fragment:
   - inventory_cache
-    options:
+options:
   plugin:
     description: The name of this plugin, it should always be set to C(xoxys.general.proxmox) for this plugin to recognize it as it's own.
     required: yes
@@ -74,7 +74,7 @@ DOCUMENTATION = """
     description: Toggle, if C(true) the plugin will retrieve host facts from the server
     type: boolean
     default: True
-    requirements:
+requirements:
   - "proxmoxer"
 """  # noqa