analyze_expense error: 'NoneType' object has no attribute 'spatial_object'

[arsher-b]

Hello,
We are getting this error:
AttributeError: 'NoneType' object has no attribute 'spatial_object'

Here are the sample images:

[Belval]

I was able to reproduce the issue. Once #404 is merged and version 1.8.4 is released it should be fixed.