Removed unused imports.

command/config.py

@@ -9,7 +9,7 @@ configure-like tasks: "try to compile this C code", or "figure out where
 this header file lives".
 """
 
-import sys, os, re
+import os, re
 
 from distutils.core import Command
 from distutils.errors import DistutilsExecError

command/register.py

@@ -5,7 +5,7 @@ Implements the Distutils 'register' command (register with the repository).
 
 # created 2002/10/21, Richard Jones
 
-import os, string, getpass
+import getpass
 import io
 import urllib.parse, urllib.request
 from warnings import warn

command/sdist.py

@@ -3,7 +3,6 @@
 Implements the Distutils 'sdist' command (create a source distribution)."""
 
 import os
-import string
 import sys
 from types import *
 from glob import glob

extension.py

@@ -4,7 +4,6 @@ Provides the Extension class, used to describe C/C++ extension
 modules in setup scripts."""
 
 import os
-import sys
 import warnings
 
 # This class is really only used by the "build_ext" command, so it might

text_file.py

@@ -4,7 +4,7 @@ provides the TextFile class, which gives an interface to text files
 that (optionally) takes care of stripping comments, ignoring blank
 lines, and joining lines with backslashes."""
 
-import sys, os, io
+import sys, io
 
 
 class TextFile: