Assign closed handles to None to make errors more obvious if they are used.

brianquinlan · brianquinlan · commit 291151b7f401 · 2010-12-25T00:18:27.000Z
diff --git a/Lib/test/test_concurrent_futures.py b/Lib/test/test_concurrent_futures.py
@@ -125,6 +125,8 @@ def close(self):
         if sys.platform.startswith('win'):
             ctypes.windll.kernel32.CloseHandle(self._called_event)
             ctypes.windll.kernel32.CloseHandle(self._can_finish)
+            self._called_event = None
+            self._can_finish = None
         else:
             del self.CALL_LOCKS[self._called_event]
             del self.CALL_LOCKS[self._can_finish]
@@ -375,8 +377,6 @@ def wait_test():
 
             self.assertEqual(set([future1, future2]), finished)
             self.assertEqual(set(), pending)
-
-
         finally:
             call1.close()
             call2.close()
