Issue #19330: Handle the no-docstrings case in tests
Close #19409: add missing import in pkgutil
Assorted 3.4 What's New updates

- cross-references and attributions for inspect changes
- note improvements to inspect and pydoc handling of
  metaclasses and dynamic attributes (courtesy of the
  enum PEP)
- group all CPython implementation specific changes
  into a common section
- add see also links for most of the PEPs
- fix the see also link for the release PEP
- add suitable caveats on Argument Clinic inclusion
- clarify the change to __wrapped__ handling
Changed a comment to end grammar bikeshedding ;-)
just return toplevel symbol table rather than all blocks (closes #19393)
merge 3.3 (#19393)
Mitigate #19412: restore test skips for --without-doc-strings
Issue #15663: Force IDLE.app to run the GUI process in 32-bit mode.
This mitigates the current Aqua Tk refresh problem on OS X 10.9
by backporting 2.7.x behavior and is transparent to the user.
Issue Issue #15663: merge from 3.3