It is better to not change this in bugfix release.

Original patch by James Edwards.

Original patch by James Edwards.

Patch from Xiang Zhang.

This was inadvertently changed in 644b677c2ae5 to use self._stderr
instead of _sys.stderr.

unscathed to the C-defined function.  Now it is converted to exact dict.

_tkinter and curses.panel modules.

_tkinter and curses.panel modules.

Based on patch by Julien.

sem_unlink is defined as

    #define SEM_UNLINK(name) 0

under Windows.

Android declares sem_unlink but doesn't implement it.

This can help to avoid unintentional modification.

example.com/404 returns 500 instead of 404 now.

example.com/404 returns 500 instead of 404 now.