bpo-40443: Remove unused imports in idlelib (GH-19801)

(cherry picked from commit 6900f16)

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

Author: miss-islington

Lib/idlelib/autocomplete_w.py

@@ -4,7 +4,7 @@
 import platform
 
 from tkinter import *
-from tkinter.ttk import Frame, Scrollbar
+from tkinter.ttk import Scrollbar
 
 from idlelib.autocomplete import FILES, ATTRS
 from idlelib.multicall import MC_SHIFT

Lib/idlelib/config_key.py

@@ -1,7 +1,7 @@
 """
 Dialog for building Tkinter accelerator key bindings
 """
-from tkinter import Toplevel, Listbox, Text, StringVar, TclError
+from tkinter import Toplevel, Listbox, StringVar, TclError
 from tkinter.ttk import Frame, Button, Checkbutton, Entry, Label, Scrollbar
 from tkinter import messagebox
 import string

Lib/idlelib/configdialog.py

@@ -11,7 +11,7 @@
 """
 import re
 
-from tkinter import (Toplevel, Listbox, Text, Scale, Canvas,
+from tkinter import (Toplevel, Listbox, Scale, Canvas,
                      StringVar, BooleanVar, IntVar, TRUE, FALSE,
                      TOP, BOTTOM, RIGHT, LEFT, SOLID, GROOVE,
                      NONE, BOTH, X, Y, W, E, EW, NS, NSEW, NW,

Lib/idlelib/idle_test/test_sidebar.py

@@ -1,6 +1,5 @@
 """Test sidebar, coverage 93%"""
 import idlelib.sidebar
-from sys import platform
 from itertools import chain
 import unittest
 import unittest.mock

Lib/idlelib/idle_test/test_squeezer.py

@@ -1,6 +1,5 @@
 "Test squeezer, coverage 95%"
 
-from collections import namedtuple
 from textwrap import dedent
 from tkinter import Text, Tk
 import unittest

Lib/idlelib/textview.py

@@ -6,7 +6,6 @@
 from tkinter.ttk import Frame, Scrollbar, Button
 from tkinter.messagebox import showerror
 
-from functools import update_wrapper
 from idlelib.colorizer import color_config