Original patch by Peter Otten.

Original patch by Peter Otten.

Patch from Mark Shannon.

importlib.machinery.(FileFinder, SourceFileLoader,
_SourcelessFileLoader, ExtensionFileLoader).

This exposes all of importlib's mechanisms that will become public on
the sys module.

semantics.

Issue #14644: Increased default timeout for SMTPHandler. Note: last commit message referred to the wrong issue number.

ignoring altsep if it already exists on a path when doing a join.

which is different than what imp.cache_from_source() operates on.

variable name.

paths.