UnboundLocalError: cannot access local variable 'mchirp' where it is not associated with a value

Error Details:

• Sentry event: https://sentry.io/ligo-caltech/gwcelery/issues/6609083526
• First seen: 2025-05-16T05:05:38+00:00
• Last seen: 2025-05-20T14:22:45+00:00
• Events: 21
• Users: 0