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

Backported issues #19619: encode() and decode() methods and constructors
of str, unicode and bytearray classes now emit deprecation warning for known
non-text encodings when Python is ran with the -3 option.

Backported issues #20404: io.TextIOWrapper (and hence io.open()) now uses the
internal codec marking system added to emit deprecation warning for known non-text
encodings at stream construction time when Python is ran with the -3 option.

24-bit samples are not supported in 2.7.

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

Original patch by David Moore.

value in the host header was set to "None".  Patch by Demian Brecht.

cursor type.

Clement Rouault.

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.

email.utils.make_msgid() to strengthen the uniqueness of the message ID.

import.  Idle -c "code", -r file.py again compile with print statement.