diff --git a/Lib/_MozillaCookieJar.py b/Lib/_MozillaCookieJar.py
index 6d8df0d94a2..0e08c09d6cb 100644
--- a/Lib/_MozillaCookieJar.py
+++ b/Lib/_MozillaCookieJar.py
@@ -2,7 +2,7 @@
 
 import re, time, logging
 
-from cookielib import (reraise_unmasked_exceptions, FileCookieJar, Cookie, 
+from cookielib import (reraise_unmasked_exceptions, FileCookieJar, Cookie,
      MISSING_FILENAME_TEXT)
 
 class MozillaCookieJar(FileCookieJar):
diff --git a/Lib/os.py b/Lib/os.py
index 6af4841414d..20746e82500 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -130,7 +130,7 @@ def _get_exports_list(module):
     raise ImportError, 'no os specific module found'
 
 sys.modules['os.path'] = path
-from os.path import (curdir, pardir, sep, pathsep, defpath, extsep, altsep, 
+from os.path import (curdir, pardir, sep, pathsep, defpath, extsep, altsep,
     devnull)
 
 del _names
diff --git a/Lib/test/test_optparse.py b/Lib/test/test_optparse.py
index 172cca968ef..883194e9534 100644
--- a/Lib/test/test_optparse.py
+++ b/Lib/test/test_optparse.py
@@ -17,9 +17,9 @@
 from pprint import pprint
 from test import test_support
 
-from optparse import (make_option, Option, IndentedHelpFormatter, 
-     TitledHelpFormatter, OptionParser, OptionContainer, OptionGroup, 
-     SUPPRESS_HELP, SUPPRESS_USAGE, OptionError, OptionConflictError, 
+from optparse import (make_option, Option, IndentedHelpFormatter,
+     TitledHelpFormatter, OptionParser, OptionContainer, OptionGroup,
+     SUPPRESS_HELP, SUPPRESS_USAGE, OptionError, OptionConflictError,
      BadOptionError, OptionValueError, _match_abbrev)
 
 class BaseTest(unittest.TestCase):