Verify if roi_contour has attribute ContourSequence

mathiser · Jan 13, 2023 · 68ff65c · 68ff65c
1 parent bc31474
commit 68ff65c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/rt_utils/ds_helper.py b/rt_utils/ds_helper.py
@@ -214,6 +214,9 @@ def get_contour_sequence_by_roi_number(ds, roi_number):
 
  # Ensure same type
  if str(roi_contour.ReferencedROINumber) == str(roi_number):
- return roi_contour.ContourSequence
+ if hasattr(roi_contour, "ContourSequence"):
+ return roi_contour.ContourSequence
+ else:
+ return Sequence()
 
  raise Exception(f"Referenced ROI number '{roi_number}' not found")