gh-104415: Fix refleak tests for typing.ByteString deprecation (#104416)

sobolevn · web-flow · commit 5b8cd5abe592 · 2023-05-12T05:36:12.000-07:00
diff --git a/Lib/typing.py b/Lib/typing.py
@@ -3586,3 +3586,12 @@ def __getattr__(attr):
             )
         return ByteString
     raise AttributeError(f"module 'typing' has no attribute {attr!r}")
+
+
+def _remove_cached_ByteString_from_globals():
+    try:
+        del globals()["ByteString"]
+    except KeyError:
+        pass
+
+_cleanups.append(_remove_cached_ByteString_from_globals)
