Fix for the case where there's no history file
Fix for the case where there's no history file

alex-slynko/tile-generator,alex-slynko/tile-generator,cf-platform-eng/tile-generator,cf-platform-eng/tile-generator,cf-platform-eng/tile-generator,alex-slynko/tile-generator,cf-platform-eng/tile-generator,alex-slynko/tile-generator