Update test_weakref.py

Author: prakashsellathurai

Lib/test/test_weakref.py

@@ -589,6 +589,32 @@ def __pow__(self, o, m=None):
         gc.collect()
 
         self.assertIsNone(ref(), "Leaked object in pow operation")
+        
+    def test_proxy_unref_richcompare_refcount(self):
+        class C:
+            def __eq__(self, o):
+                return NotImplemented
+    
+        # create dead proxy
+        o = C()
+        dead = weakref.proxy(o)
+        del o
+        gc.collect()
+    
+        # create live proxy
+        obj = C()
+        ref = weakref.ref(obj)
+        proxy = weakref.proxy(obj)
+    
+        try:
+            proxy == dead
+        except ReferenceError:
+            pass
+    
+        del proxy, obj, dead
+        gc.collect()
+    
+        self.assertIsNone(ref(), "Leaked object in richcompare operation")
 
     def test_getweakrefcount(self):
         o = C()