PR feedback

Author: csm10495

CHANGES/718.bugfix.rst

@@ -1,2 +1,5 @@
-Fix bug where FrozenList could not be pickled/unpickled.
+Fixed a bug where FrozenList could not be pickled/unpickled.
+
+Pickling is a requirement for FrozenList to be able to be passed to multiprocessing Processes. Without this
+fix, users receive a TypeError upon attempting to pickle a FrozenList.
 -- by :user:`csm10495`.

frozenlist/__init__.py

@@ -3,7 +3,6 @@
 import types
 from collections.abc import MutableSequence
 from functools import total_ordering
-from typing import Any
 
 __version__ = "1.8.1.dev0"
 
@@ -105,7 +104,7 @@ def __reduce__(self):
         )
 
 
-def _reconstruct_pyfrozenlist(items: list[Any], frozen: bool) -> "PyFrozenList":
+def _reconstruct_pyfrozenlist(items: list[object], frozen: bool) -> "PyFrozenList":
     """Helper function to reconstruct the pure Python FrozenList during unpickling.
     This function is needed since otherwise the class renaming confuses pickle."""
     fl = PyFrozenList(items)