…non-dataclass subclasses of frozen dataclasses (pythongh-102573)

python#102104)

…ython#101806)

Update dataclasses.astuple and dataclasses.asdict docstrings to reflect that they deep copy objects in the field values.

…ith `isinstance()` checks on `typing.runtime_checkable` protocols (python#102449)

Co-authored-by: Carl Meyer <carl@oddbird.net>

…102248)

When __getattr__ is defined, python with try to find an attribute using _PyObject_GenericGetAttrWithDict
find nothing is reasonable so we don't need an exception, it will hurt performance.

…`inspect` module (python#11590)

…rking sockets (pythonGH-102605)

Skip `TestGetAsyncGenState` and restoring of the default event loop policy in `test_inspect` if platform lacks working socket support.

Fixes python#11590

Automerge-Triggered-By: GH:kumaraditya303