fix ordering of same-span subspans

martinpopel · martinpopel · commit bfaad057444c · 2023-01-31T20:15:16.000+01:00
this can happen easily with discontinuous mentions
diff --git a/udapi/core/coref.py b/udapi/core/coref.py
@@ -276,7 +276,7 @@ def __lt__(self, another):
                 return True
             if  len(self.words) < len(another.words):
                 return False
-            assert False
+            return self.mention < another.mention
         return self.words[0].precedes(another.words[0])
 
     @property
