[Error Update]:Correcting the diarUem parameter from the PurityCoverage method in diar_tools.

s4d/diar_tools.py

@@ -1967,9 +1967,12 @@ def PurityCoverage(diarHyp,diarRef,diarUem=None,tolerance=25,skip_overlap=False)
         else:
             reference[s, 2] = seg['cluster']
 
-    ref_uem = pyacore.Timeline()
-    for seg in diarUem:
-        ref_uem.add(pyacore.Segment(seg['start'], seg['stop']))
+    if diarUem is None:
+        ref_uem=None
+    else:
+        ref_uem = pyacore.Timeline()
+        for seg in diarUem:
+            ref_uem.add(pyacore.Segment(seg['start'], seg['stop']))
 
     hyp = pyacore.Annotation()
     for seg in diarHyp: