doesn't reliably produce an exception.

Try to prevent this test from being flaky.  We might need a sleep in here
which isn't as bad as it sounds.  The close() *should* raise an exception,
so if it didn't we should give more time to sync and really raise it.

Let the O/S supply a port if none of the default ports can be used.
This should make the tests more robust at the expense of allowing
tests to be sloppier by not requiring them to cleanup after themselves.
(It will legitamitely help when running two test suites simultaneously
or if another process is already using one of the predefined ports.)

This will hopefully fix test_asynchat.

On some systems (e.g., Ubuntu on hppa) the flush()
doesn't (always) cause the exception, but the close() does.

as the documentation says.
 (backport from rev. 60322)

whole construct away, even when an 'else' clause is present::

    while 0:
        print("no")
    else:
        print("yes")

did not generate any code at all.

Now the compiler emits the 'else' block, like it already does for 'if' statements.

Backport of r60265.

Also removed three non-ASCII chars at start of file.

Fix issue #1303614, test67.py.

to not accept float types; the result was that integer-like objects
were not accepted.

Fixed bug #1915: Python compiles with --enable-unicode=no again. However several extension methods and modules do not work without unicode support.

- Fix Issue #1703448: A joined thread could show up in the
  threading.enumerate() list after the join() for a brief period until
  it actually exited.

 (backport from rev. 60170)

second line of code were not always recognized correctly.
 (backport from rev. 60168)

Fix: #1836: Off-by-one bug in TimedRotatingFileHandler rollover calculation. Patch thanks to Kathryn M. Kowalski.

headers beyond the signed 2**31 byte boundary.

- Issue #1336: fix a race condition in subprocess.Popen if the garbage
  collector kicked in at the wrong time that would cause the process
  to hang when the child wrote to stderr.

Fix for #1303614 and #1174712:
- __dict__ descriptor abuse for subclasses of built-in types
- subclassing from both ModuleType and another built-in types

create a new weakref to the object.

- Issue829951: In the smtplib module, SMTP.starttls() now complies with
  RFC 3207 and forgets any knowledge obtained from the server not obtained
  from the TLS negotiation itself.  Patch contributed by Bill Fenner.

  Fix a potential 'SystemError: NULL result without error'.
  NULL may be a valid return value from PyLong_AsVoidPtr.
Also move an older ctypes NEWS item in the correct category.