Issue #13034: When decoding some SSL certificates, the subjectAltName extension could be unreported.

Jarosch.

Thanks to Suman Saha for finding the bug and providing a patch.

module. Ignore the direcotry if its name matchs the module name (e.g.
"__init__.py") and raise a ImportError instead.

ready before having been set up.

multiprocessing.reduction, which may not be available (e.g. if the OS doesn't
support FD passing over Unix domain sockets).

  finding the bug and providing a patch.

find_module() now raises a RuntimeError, instead of ImportError, on an error on
sys.path or sys.meta_path because load_package() and import_submodule() returns
None and clear the exception if a ImportError occurred.

with invalid hex escape sequences, like b'\x0'.
(Original patch by Claudiu Popa.)

object triggers the garbage collector.

I have tests to add in this file and it’s always nice to start from a
clean base.

Also fix some markup and typos.