python when they contain instances of old-style classes.

In that case, do not attempt to parse stderr output.

Patch and test by Tony Nelson.

of the random module being around.

while writing bytecode, and importing bytecode with source existing (don't care
about sourceless imports).

if the import lock was disabled.

Issue #2009: refactor varargslist and typedargslist productions to make them more friendly for third-party parsers.

treated keyword arguments called 'self' or 'other' specially.