Description of problem:

Generating the Ansible - Ansible Inventory Report fails with error: 

wrong number of arguments (given 2, expected 1)

How reproducible:100%

Is this issue a regression from an earlier version: Regression from 6.15.1

Steps to Reproduce:

1. Has some hosts not associated to any content view or LCE. The satellite host entry itself should be sufficient to reproduce.
2. Navigate to Monitor -> Report Templates -> "Ansible - Ansible Inventory" -> Click "Generate" button
3. Set "Yes" for Content Attributes and click Generate button.

Actual behavior:
Report Fails with error: 

wrong number of arguments (given 2, expected 1)

Expected behavior:
Report should be generated and contain correct contents

Business Impact / Additional info: