Prevent traceback when starting RIDE and editor is not shown. Fixed issue 660.
Prevent traceback when starting RIDE and editor is not shown. Fixed issue 660.

robotframework/RIDE,fingeronthebutton/RIDE,caio2k/RIDE,robotframework/RIDE,caio2k/RIDE,robotframework/RIDE,caio2k/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,fingeronthebutton/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,HelioGuilherme66/RIDE,fingeronthebutton/RIDE