diff --git a/Lib/test/seq_tests.py b/Lib/test/seq_tests.py
index ae5bba3..18fb3b7 100644
--- a/Lib/test/seq_tests.py
+++ b/Lib/test/seq_tests.py
@@ -228,7 +228,7 @@
         class StopCompares:
             def __eq__(self, other):
                 raise DoNotTestEq
-        
+
         checkfirst = self.type2test([1, StopCompares()])
         self.assert_(1 in checkfirst)
         checklast = self.type2test([StopCompares(), 1])
diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py
index fb88ffa..d226043 100644
--- a/Lib/test/test_generators.py
+++ b/Lib/test/test_generators.py
@@ -709,18 +709,18 @@
 Ye olde Fibonacci generator, tee style.
 
 >>> def fib():
-... 
+...
 ...     def _isum(g, h):
 ...         while 1:
 ...             yield g.next() + h.next()
-... 
+...
 ...     def _fib():
 ...         yield 1
 ...         yield 2
 ...         fibTail.next() # throw first away
 ...         for res in _isum(fibHead, fibTail):
 ...             yield res
-...   
+...
 ...     fibHead, fibTail, fibRes = tee(_fib(), 3)
 ...     return fibRes
 
diff --git a/Lib/test/test_hashlib_speed.py b/Lib/test/test_hashlib_speed.py
index a62d923..c84a62b 100644
--- a/Lib/test/test_hashlib_speed.py
+++ b/Lib/test/test_hashlib_speed.py
@@ -90,4 +90,3 @@
 test_scaled_msg(scale=106, name='[small data]')
 test_scaled_msg(scale=creatorFunc().digest_size, name='[digest_size data]')
 test_scaled_msg(scale=10, name='[tiny data]')
-
diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py
index a0386ef..0b9cea9 100644
--- a/Lib/test/test_mmap.py
+++ b/Lib/test/test_mmap.py
@@ -126,7 +126,7 @@
             f.seek(0, 2)
             verify(f.tell() == 512, 'Underlying file not truncated')
             f.close()
-            verify(m.size() == 512, 'New size not reflected in file') 
+            verify(m.size() == 512, 'New size not reflected in file')
 
         m.close()