Merge pull request #99 from leonardt/patch-eq

Use is instead of == for port equality

fault/actions.py

@@ -110,7 +110,7 @@ def retarget(self, new_circuit, clock):
         return cls(new_port)
 
     def __eq__(self, other):
-        return self.port == other.port
+        return self.port is other.port
 
     def __str__(self):
         return f"Peek({self.port.debug_name})"