Fix missing argument

Author: mart-r

medcat/compare_models/tests/test_compare_annotations.py

@@ -39,7 +39,7 @@ def _cui2name(self, cui: str) -> str:
 
     def setUp(self) -> None:
         self.res = compare_annotations.ResultsTally(cat_data={"stats": "don't matter"},
-                                               cui2name=self._cui2name)
+                                               cui2name=self._cui2name, pt2ch=None)
         for entities in self.entities:
             self.res.count(entities['entities'])