Checkmk Werk 14566: <tt>datadog_monitors</tt>: Allow empty custom messages

ID: 14566 Title: <tt>datadog_monitors</tt>: Allow empty custom messages Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 Previously, the check <tt>datadog_monitors</tt> would crash with a <tt>ValueError</tt> if there were any Datadog monitors with an empty message. With this werk, <tt>No message</tt> is shown if the message is empty.