Checkmk Werk 14592: PSU Capacity Levels: Remove error message during discovery

ID: 14592 Title: PSU Capacity Levels: Remove error message during discovery Component: Checks & agents Level: 1 Class: Bug fix Version: 2.3.0b1 During discovery the following error could occur C+: Invalid check parameter: PSU Capacity Levels: The value 80 has type int, but must be of type float Variable: checkgroup_parameters:hw_psu Parameters: {'levels': (80, 90)} C-: This error is cosmetic in nature and does not affect the behaviour of the check. This werk fixes the issue.