Some cleanup in the Tools directory.

Tools/ccbench/ccbench.py

@@ -10,7 +10,6 @@ ccbench, a Python concurrency benchmark.
 import time
 import os
 import sys
-import functools
 import itertools
 import threading
 import subprocess

Tools/demo/life.py

@@ -120,8 +120,11 @@ class LifeBoard:
                             random.randrange(1, 7)))
                     self.scr.addch(j + 1, i + 1, self.char)
                     self.scr.attrset(0)
-                    if not live: self.boring = 0
-                elif s == 2 and live: d[i,j] = 1       # Survival
+                    if not live:
+                        self.boring = 0
+                elif s == 2 and live:
+                    # Survival
+                    d[i, j] = 1
                 elif live:
                     # Death
                     self.scr.addch(j + 1, i + 1, ' ')
@@ -145,6 +148,7 @@ def erase_menu(stdscr, menu_y):
     stdscr.move(menu_y + 1, 0)
     stdscr.clrtoeol()
 
+
 def display_menu(stdscr, menu_y):
     "Display the menu of possible keystroke commands"
     erase_menu(stdscr, menu_y)
@@ -158,6 +162,7 @@ def display_menu(stdscr, menu_y):
         'E)rase the board, R)andom fill, S)tep once or C)ontinuously, Q)uit')
     stdscr.attrset(0)
 
+
 def keyloop(stdscr):
     # Clear the screen and display the menu of keys
     stdscr.clear()
@@ -224,11 +229,17 @@ def keyloop(stdscr):
                 board.display(update_board=False)
             elif c in 'Ss':
                 board.display()
-            else: pass                  # Ignore incorrect keys
-        elif c == curses.KEY_UP and ypos > 0:            ypos -= 1
-        elif c == curses.KEY_DOWN and ypos < board.Y-1:  ypos += 1
-        elif c == curses.KEY_LEFT and xpos > 0:          xpos -= 1
-        elif c == curses.KEY_RIGHT and xpos < board.X-1: xpos += 1
+            else:
+                # Ignore incorrect keys
+                pass
+        elif c == curses.KEY_UP and ypos > 0:
+            ypos -= 1
+        elif c == curses.KEY_DOWN and ypos + 1 < board.Y:
+            ypos += 1
+        elif c == curses.KEY_LEFT and xpos > 0:
+            xpos -= 1
+        elif c == curses.KEY_RIGHT and xpos + 1 < board.X:
+            xpos += 1
         elif c == curses.KEY_MOUSE:
             mouse_id, mouse_x, mouse_y, mouse_z, button_state = curses.getmouse()
             if (mouse_x > 0 and mouse_x < board.X + 1 and

Tools/demo/ss1.py

@@ -812,7 +812,6 @@ class SheetGUI:
 
 def test_basic():
     "Basic non-gui self-test."
-    import os
     a = Sheet()
     for x in range(1, 11):
         for y in range(1, 11):

Tools/i18n/pygettext.py

@@ -163,7 +163,6 @@ import time
 import getopt
 import token
 import tokenize
-import operator
 
 __version__ = '1.5'
 

Tools/iobench/iobench.py

@@ -1,8 +1,6 @@
 # -*- coding: utf-8 -*-
 # This file should be kept compatible with both Python 2.6 and Python >= 3.0.
 
-import functools
-import hashlib
 import itertools
 import os
 import platform

Tools/parser/unparse.py

@@ -1,6 +1,5 @@
 "Usage: unparse.py <path to source file>"
 import sys
-import math
 import ast
 import tokenize
 import io

Tools/pybench/pybench.py

@@ -35,7 +35,9 @@ NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 WITH THE USE OR PERFORMANCE OF THIS SOFTWARE !
 """
 
-import sys, time, operator, platform
+import sys
+import time
+import platform
 from CommandLine import *
 
 try:
@@ -962,8 +964,6 @@ python pybench.py -s p25.pybench -c p21.pybench
                 bench.name = reportfile
                 pickle.dump(bench,f)
                 f.close()
-            except IOError as reason:
-                print('* Error opening/writing reportfile')
             except IOError as reason:
                 print('* Error opening/writing reportfile %s: %s' % (
                     reportfile,

Tools/unicode/makeunicodedata.py

@@ -32,7 +32,6 @@ import sys
 import zipfile
 
 from textwrap import dedent
-from operator import itemgetter
 
 SCRIPT = sys.argv[0]
 VERSION = "3.2"