Forcing ROIs to have a name- fix

src/cristallina/utils.py

@@ -152,7 +152,8 @@ class ROI:
         else:
             raise ValueError("No valid ROI definition.")
         
-        if self.name:
+        # Check that ROI has a name and assign it
+        if name:
             self.name = name
         else:
             raise ValueError('ROI must have a name. Please provide with name=... as a parameter')