Candiag

### Problem When I run the plugin I get a KeyError (0_exposure_count) ``` Copy/paste some InaSAFE logs here if it was an error. ``` 1. In file "/Users/candiag/Library/Application Support/QGIS/QGIS3/profiles/default/python/plugins/inasafe/safe/impact_function/impact_function.py", line...