given empty data twice.  Patch by Benjamin Fogle.

given empty data twice.  Patch by Benjamin Fogle.

Original patch by Eric Appelt.

file with compression before trying to open it without compression.  Otherwise
it had 50% chance failed with ignore_zeros=True.

file with compression before trying to open it without compression.  Otherwise
it had 50% chance failed with ignore_zeros=True.

object.__format__ now contains the name of actual type.

object.__format__ now contains the name of actual type.

  browsers.  Based on patch by Oleg Broytman.

browsers.  Based on patch by Oleg Broytman.

by representing the scale as float value internally in Tk.  tkinter.IntVar
now works if float value is set to underlying Tk variable.

by representing the scale as float value internally in Tk.  tkinter.IntVar
now works if float value is set to underlying Tk variable.

Patch by Xiang Zhang.

* Cannot seem to link directly to main options from the “unittest” module,
  because that module has its own set of options
* Mask out linking for options that no longer exist in Python 3

"()" format string creates an empty list of argument but requires extra work to
parse the format string.

PyType_Ready() sets the reference to &PyType_Type.

&PyType_Type cannot be resolved at compilation time (not on Windows?).

This implementation provides additional 10-20% speed boost for
asyncio programs.

The patch also fixes _asynciomodule.c to use Arguments Clinic, and
makes '_schedule_callbacks' an overridable method (as it was in 3.5).