Error when unchecking "enable width"

[gustafsonsven]

Hi all,

Running into an issue in the new pre-release that unchecking the "enable width" option in the overlay manager does not remove the overlays. Instead it spits out this:

Traceback (most recent call last):
File "/nfs/chess/user/seg246/software/anaconda3_20230506/envs/hexrdgui_pre_2025-1/lib/python3.11/site-packages/hexrdgui/image_canvas.py", line 733, in update_overlays
self.draw_overlay(overlay)
File "/nfs/chess/user/seg246/software/anaconda3_20230506/envs/hexrdgui_pre_2025-1/lib/python3.11/site-packages/hexrdgui/image_canvas.py", line 416, in draw_overlay
for axis, det_key, data in self.overlay_axes_data(overlay):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/nfs/chess/user/seg246/software/anaconda3_20230506/envs/hexrdgui_pre_2025-1/lib/python3.11/site-packages/hexrdgui/image_canvas.py", line 363, in overlay_axes_data
data = self.iviewer.create_overlay_data(overlay)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/nfs/chess/user/seg246/software/anaconda3_20230506/envs/hexrdgui_pre_2025-1/lib/python3.11/site-packages/hexrdgui/calibration/raw_iviewer.py", line 122, in create_overlay_data
return self.create_roi_overlay_data(overlay)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/nfs/chess/user/seg246/software/anaconda3_20230506/envs/hexrdgui_pre_2025-1/lib/python3.11/site-packages/hexrdgui/calibration/raw_iviewer.py", line 146, in create_roi_overlay_data
prev_max = max(chain(*ret[group][data_key]))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ValueError: max() arg is an empty sequence