fail silently on non-existent importer.file_account; close #652
fail silently on non-existent importer.file_account; close #652

beancount/fava,aumayr/beancount-web,yagebu/fava,beancount/fava,beancount/fava,yagebu/fava,aumayr/beancount-web,yagebu/fava,yagebu/fava,yagebu/fava,beancount/fava,aumayr/beancount-web,aumayr/beancount-web,beancount/fava