Ensure that the uninstall helper for Windows passes the proper
flags to pip to prevent it from checking PyPI if the pip that
we're currently attempting to uninstall is the latest verison.

does support IPv6 and IPv4; www.python.org currently does not.

PyObject_IsInstance(), PyObject_RichCompareBool() and _PyDict_Contains()
to check for and handle errors correctly.

Original patch by David Moore.

See also issue 24017.

fix a resource warning.

Fixed segmentation fault in sqlite3.Row constructor with faked cursor type.
Fixed system error in the comparison of faked types.SimpleNamespace.

Clement Rouault.

Made test_pprint and test_trace discoverable.

avoid passing the test accidently because slice.__hash__ is None.

IDLE.  Patch by Martin Panter.

when a directory with the chosen name already exists on Windows as well as
on Unix.  tempfile.mkstemp() now fails early if parent directory is not
valid (not exists or is a file) on Windows.