Remove test_cross_interpreter_unbound_identity and picklabe object.

note35 · note35 · commit c7cf9907972a · 2025-12-12T17:53:14.000+09:00
diff --git a/Lib/concurrent/interpreters/_crossinterp.py b/Lib/concurrent/interpreters/_crossinterp.py
@@ -5,37 +5,7 @@ class ItemInterpreterDestroyed(Exception):
     """Raised when trying to get an item whose interpreter was destroyed."""
 
 
-class UnboundItem:
-    """Represents a cross-interpreter item no longer bound to an interpreter.
-
-    An item is unbound when the interpreter that added it to the
-    cross-interpreter container is destroyed.
-    """
-
-    __slots__ = ()
-    _MODULE = __name__
-    _NAME = 'UNBOUND'
-
-    def __new__(cls):
-        raise Exception(f'use {cls._MODULE}.{cls._NAME}')
-
-    def __hash__(self):
-        return hash((self._NAME, self._MODULE))
-
-    def __reduce__(self):
-        return self._NAME
-
-    def __eq__(self, other):
-        if other is self:
-            return True
-        return repr(other) == repr(self)
-
-    def __repr__(self):
-        return f'{self._MODULE}.{self._NAME}'
-#        return f'interpreters._queues.UNBOUND'
-
-
-UNBOUND = UnboundItem()
+UNBOUND = object()
 UNBOUND_ERROR = object()
 UNBOUND_REMOVE = object()
 
diff --git a/Lib/test/test_concurrent_futures/test_interpreter_pool.py b/Lib/test/test_concurrent_futures/test_interpreter_pool.py
@@ -516,26 +516,6 @@ def get_thread_name():
         self.assertStartsWith(self.executor.submit(get_thread_name).result(),
                               "InterpreterPoolExecutor-"[:15])
 
-    def test_cross_interpreter_unbound_identity(self):
-        # Prepare shared queues.
-        input_q = interpreters.create_queue()
-        input_q.put(queues.UNBOUND)
-        result_q = interpreters.create_queue()
-
-        # Create a sub-interpreter.
-        interp = interpreters.create()
-        interp.prepare_main({"input_q": input_q, "result_q": result_q})
-
-        # Run and compare the items in queue.
-        interp.exec("""
-from concurrent.interpreters import _queues as queues
-obj = input_q.get()
-is_identical = (obj is queues.UNBOUND)
-result_q.put(is_identical)
-""")
-        is_identical = result_q.get()
-        self.assertTrue(is_identical, "UNBOUND identity mismatch across interpreters")
-
 
 class AsyncioTest(InterpretersMixin, testasyncio_utils.TestCase):
 
