- solved issue #381 where there was an error when trying to generate CNCJob out of an Excellon file that have a tool with only slots and no drills

- solved some issues in the preprocessors regarding the newly introduced feature that allow control of the final move X,Y positions

preprocessors/GRBL_laser.py

@@ -86,7 +86,7 @@ class GRBL_laser(FlatCAMPostProc):
         coords_xy = p['xy_end']
         gcode = ('G00 Z' + self.feedrate_format % (p.fr_decimals, p.z_end) + "\n")
 
-        if coords_xy != '':
+        if coords_xy and coords_xy != '':
             gcode += 'G00 X{x} Y{y}'.format(x=coords_xy[0], y=coords_xy[1]) + "\n"
         return gcode