idlelib: remove unused names and imports (one is a duplicate import).

Lib/idlelib/GrepDialog.py

@@ -5,7 +5,6 @@ import sys
 from tkinter import StringVar, BooleanVar, Checkbutton  # for GrepDialog
 from tkinter import Tk, Text, Button, SEL, END  # for htest
 from idlelib import SearchEngine
-import itertools
 from idlelib.SearchDialogBase import SearchDialogBase
 # Importing OutputWindow fails due to import loop
 # EditorWindow -> GrepDialop -> OutputWindow -> EditorWindow

Lib/idlelib/IOBinding.py

 import os
-import types
 import shlex
 import sys
 import codecs
@@ -525,7 +524,7 @@ class IOBinding:
         if self.editwin.flist:
             self.editwin.update_recent_files_list(filename)
 
-def _io_binding(parent):
+def _io_binding(parent):  # htest #
     root = Tk()
     root.title("Test IOBinding")
     width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
@@ -548,7 +547,7 @@ def _io_binding(parent):
     text.pack()
     text.focus_set()
     editwin = MyEditWin(text)
-    io = IOBinding(editwin)
+    IOBinding(editwin)
 
 if __name__ == "__main__":
     from idlelib.idle_test.htest import run

Lib/idlelib/PyParse.py

 import re
 import sys
 from collections import Mapping
-from functools import partial
 
 # Reason last stmt is continued (or C_NONE if it's not).
 (C_NONE, C_BACKSLASH, C_STRING_FIRST_LINE,

Lib/idlelib/RemoteDebugger.py

@@ -21,7 +21,6 @@ barrier, in particular frame and traceback objects.
 """
 
 import types
-from idlelib import rpc
 from idlelib import Debugger
 
 debugging = 0

Lib/idlelib/ScriptBinding.py

@@ -18,13 +18,11 @@ XXX GvR Redesign this interface (yet again) as follows:
 """
 
 import os
-import re
 import string
 import tabnanny
 import tokenize
 import tkinter.messagebox as tkMessageBox
-from idlelib.EditorWindow import EditorWindow
-from idlelib import PyShell, IOBinding
+from idlelib import PyShell
 
 from idlelib.configHandler import idleConf
 from idlelib import macosxSupport

Lib/idlelib/SearchDialog.py

@@ -23,7 +23,7 @@ def find_selection(text):
 class SearchDialog(SearchDialogBase):
 
     def create_widgets(self):
-        f = SearchDialogBase.create_widgets(self)
+        SearchDialogBase.create_widgets(self)
         self.make_button("Find Next", self.default_command, 1)
 
     def default_command(self, event=None):

Lib/idlelib/TreeWidget.py

@@ -245,7 +245,7 @@ class TreeNode:
         else:
             self.edit_finish()
         try:
-            label = self.label
+            self.label
         except AttributeError:
             # padding carefully selected (on Windows) to match Entry widget:
             self.label = Label(self.canvas, text=text, bd=0, padx=2, pady=2)

Lib/idlelib/configDialog.py

@@ -16,7 +16,6 @@ import tkinter.font as tkFont
 
 from idlelib.configHandler import idleConf
 from idlelib.dynOptionMenuWidget import DynOptionMenu
-from idlelib.tabbedpages import TabbedPageSet
 from idlelib.keybindingDialog import GetKeysDialog
 from idlelib.configSectionNameDialog import GetCfgSectionNameDialog
 from idlelib.configHelpSourceEdit import GetHelpSourceDialog