small refactoring -- cleaned up some logic when deciding which files to use. shouldn't break on .xlsx and works like a charm for all current files
small refactoring -- cleaned up some logic when deciding which files to use. shouldn't break on .xlsx and works like a charm for all current files

cathydeng/openelections-core,openelections/openelections-core,cathydeng/openelections-core,datamade/openelections-core,openelections/openelections-core,datamade/openelections-core