from 6ae34a948cb4.

lines or narrowed for small screens.
Issie #19132: Turtledemo buttons no longer disappear when window is shrun.
Patch mostly by Lita Cho (21597) using idea from patch by Jan Kanis (18132).

the argument is not specified.  Scrollbar.set() now always accepts only 2
arguments.  Added tests for Scrollbar.activate() and Scrollbar.set().

Adds `load_package_tests` function to test.support, uses it in test_asyncio,
test_email, test_json, test_tools, test_importlib and all test_importlib
sub-packages to implement test discovery.

* Tulip issue 194: Don't use sys.getrefcount() in unit tests
* signal.set_wakeup_fd() can now raise an OSError on Python 3.5

* Tulip issue 194: Don't use sys.getrefcount() in unit tests
* signal.set_wakeup_fd() can now raise an OSError on Python 3.5

specified.

specified.

fully qualified class names of Python implemented classes.

coroutine

Replace also _make_drain_waiter() function with a classic _drain_helper()
coroutine.

Replace also _make_drain_waiter() function with a classic _drain_helper()
coroutine.

when contain an id in form " at 0x...".

now display special message when and only when there are failures.

now display special message when and only when there are failures.

Fix localhost checking in FileHandler. Raised in #21970.

Thanks to William Orr.

Thanks to William Orr.

Sort also imports in support/__init__.py

Sort also imports in support/__init__.py

* Issue #19811, #22022: test_pathlib uses support.rmtree() instead of
  shutil.rmtree() to remove the temporary directory.

* Issue #19629: Fix support.rmtree(), use os.lstat() to check if the file is a
  directory, not os.path.isdir()

shutil.rmtree() to remove the temporary directory.

directory, not os.path.isdir()