fix whitespace

diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 21465e5721b208a85a22e7d34fd50814ef95c47d..9b3f1c122067b1744cf6095bf106e173e7df03ac 100644 (file)
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -592,7 +592,7 @@ loops that truncate the stream.
 
    A common use for *repeat* is to supply a stream of constant values to *imap*
    or *zip*::
- 
+
       >>> list(imap(pow, range(10), repeat(2)))
       [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]