Correct a couple of errors in the updated catch_warning documentation (the Py3k version was fixed before being checked in)

Make test.test_support.catch_warnings more robust as discussed on python-dev. Also add explicit tests for itto test_warnings.

should have returned True.

Fixes issue #3339. Thanks, Henk Punt for the report and Andrii v. Mishkovskiyi
for attempting a patch.

#3343: Py_DisplaySourceLine should be a private function. Rename it to _Py_DisplaySourceLine.

some applications relied on them.

Also remove duplicated lines.

3.0.

sys.getsizeof.

Issue3122.

Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes

  redundant ":443" port number designation when the connection is using the
  default https port (443).

  properly when raising an exception due to the bz2file being closed.
  Prevents a deadlock.

Forward-port of 38255 (2005/01/15!)
This was already fixed in 2.4, but never merged into trunk...
py3k is already right, thanks to the bytes/str distinction!

Should be backported to 2.5.