Add :exc:`PythonFinalizationError` exception. This exception derived from :exc:`RuntimeError` is raised when an operation is blocked during the :term:`Python finalization <interpreter shutdown>`. Patch by Victor Stinner.
Add :exc:`PythonFinalizationError` exception. This exception derived from :exc:`RuntimeError` is raised when an operation is blocked during the :term:`Python finalization <interpreter shutdown>`. Patch by Victor Stinner.