Patch by Xiang Zhang.

Since 01ae1ac2daf4, it doesn't accept any arguments.

Patch by Michael Killough.

eliminate all internal uses of overridden methods.

or builtins for importing submodules or "from import".  Fixed a crash if
raise a warning about unabling to resolve package from __spec__ or
__package__.

or builtins for importing submodules or "from import".  Fixed handling an
error of non-string package name.

Original patch by Alexandre Vassalotti.

Original patch by Alexandre Vassalotti.

IDLE no longer runs buggy code because of its tkinter imports.
Users must include the same imports required to run directly in Python.

Users must include the same imports required to run directly in Python.

Patch by Costas.