Show Directions fails with trace

[valeriob01]

Generate a toolpath, then go to Settings/Preferences then select Display Items and then select Show Directions:

Traceback (most recent call last): File "/home/sel/Downloads/pycam/pycam/Plugins/OpenGLWindow.py", line 274, in self.core.emit_event("visual-item-updated")) File "/home/sel/Downloads/pycam/pycam/Gui/Project.py", line 190, in emit_event func(*(data + args), kwargs) File "/home/sel/Downloads/pycam/pycam/Plugins/OpenGLWindow.py", line 257, in update_view self.paint() File "/home/sel/Downloads/pycam/pycam/Plugins/OpenGLWindow.py", line 473, in check_busy_wrapper result = func(self, *args, *kwargs) File "/home/sel/Downloads/pycam/pycam/Plugins/OpenGLWindow.py", line 604, in gtkgl_functionwrapper_function result = function(self, args, kwords) File "/home/sel/Downloads/pycam/pycam/Plugins/OpenGLWindow.py", line 494, in gtkgl_refresh_wrapper self._paint_raw() File "/home/sel/Downloads/pycam/pycam/Plugins/OpenGLWindow.py", line 776, in _paint_raw self.core.emit_event("visualize-items") File "/home/sel/Downloads/pycam/pycam/Gui/Project.py", line 190, in emit_event func(*(data + args), *kwargs) File "/home/sel/Downloads/pycam/pycam/Plugins/OpenGLViewToolpath.py", line 93, in draw_toolpaths self._draw_toolpath_moves(moves) File "/home/sel/Downloads/pycam/pycam/Plugins/OpenGLViewToolpath.py", line 158, in _draw_toolpath_moves pycam.Gui.OpenGLTools.draw_direction_cone(p1, p2) File "/home/sel/Downloads/pycam/pycam/Gui/OpenGLTools.py", line 48, in keep_matrix_wrapper result = func(args, **kwargs) File "/home/sel/Downloads/pycam/pycam/Gui/OpenGLTools.py", line 58, in draw_direction_cone distance = psub(p2, p1) File "/home/sel/Downloads/pycam/pycam/Geometry/PointUtils.py", line 88, in psub return (a[0] - b[0], a[1] - b[1], a[2] - b[2]) TypeError: 'int' object has no attribute 'getitem'