pythongh-84623: Remove unused imports in idlelib (pythonGH-94143)

Remove commented code in test_debugger_r.py.

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
(cherry picked from commit 576dd90)

Co-authored-by: Victor Stinner <vstinner@python.org>

Lib/idlelib/idle_test/test_debugger_r.py

@@ -2,28 +2,21 @@
 
 from idlelib import debugger_r
 import unittest
-from test.support import requires
-from tkinter import Tk
-
-
-class Test(unittest.TestCase):
 
+# Boilerplate likely to be needed for future test classes.
+##from test.support import requires
+##from tkinter import Tk
+##class Test(unittest.TestCase):
 ##    @classmethod
 ##    def setUpClass(cls):
 ##        requires('gui')
 ##        cls.root = Tk()
-##
 ##    @classmethod
 ##    def tearDownClass(cls):
 ##        cls.root.destroy()
-##        del cls.root
-
-    def test_init(self):
-        self.assertTrue(True)  # Get coverage of import
-
 
-# Classes GUIProxy, IdbAdapter, FrameProxy, CodeProxy, DictProxy,
-# GUIAdapter, IdbProxy plus 7 module functions.
+# GUIProxy, IdbAdapter, FrameProxy, CodeProxy, DictProxy,
+# GUIAdapter, IdbProxy, and 7 functions still need tests.
 
 class IdbAdapterTest(unittest.TestCase):
 

Lib/idlelib/idle_test/test_editor.py

@@ -5,7 +5,6 @@
 from collections import namedtuple
 from test.support import requires
 from tkinter import Tk
-from idlelib.idle_test.mock_idle import Func
 
 Editor = editor.EditorWindow
 

Lib/idlelib/iomenu.py

@@ -9,7 +9,6 @@
 from tkinter import messagebox
 from tkinter.simpledialog import askstring
 
-import idlelib
 from idlelib.config import idleConf
 from idlelib.util import py_extensions
 
@@ -21,8 +20,7 @@
 else:
     errors = 'surrogateescape'
 
-
-
+
 class IOBinding:
 # One instance per editor Window so methods know which to save, close.
 # Open returns focus to self.editwin if aborted.