fixed endpoint comparison bug (compare int value)

Signed-off-by: Haoyue Dai <[email protected]>

Author: MarkDana

causallearn/graph/Endpoint.py

@@ -20,4 +20,4 @@ def __str__(self):
         return self.name
 
     def __eq__(self, other):
-        return self.name == other.name
+        return self.value == other.value