Issue #26177: Fixed the keys() method for Canvas and Scrollbar widgets.

diff --cc Lib/tkinter/__init__.py
Simple merge

diff --cc Lib/tkinter/test/test_tkinter/test_widgets.py
Simple merge

diff --cc Misc/NEWS
index d678a6986db07723c669c4d4c40bcb7366947221,b9641816efdea07b4445423d4b08bd50cd6ad2fb..542af600053efbd75633ca28484ec5df6824935d
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -201,14 -90,11 +201,16 @@@ Core and Builtin
  Library
  -------
  
 -- Issue #15068: Got rid of excessive buffering in the fileinput module.
 -  The bufsize parameter is no longer used.
+ - Issue #26177: Fixed the keys() method for Canvas and Scrollbar widgets.
+ 
 +- Issue #21042: Make ctypes.util.find_library() return the full path on
 +  Linux, similar to other platforms.  Patch by Tamás Bence Gedai.
 +
 +- Issue #15068: Got rid of excessive buffering in fileinput.
 +  The bufsize parameter is now deprecated and ignored.
 +
 +- Issue #19475: Added an optional argument timespec to the datetime
 +  isoformat() method to choose the precision of the time component.
  
  - Issue #2202: Fix UnboundLocalError in
    AbstractDigestAuthHandler.get_algorithm_impls.  Initial patch by Mathieu Dupuy.