Remove trailing whitespace.
diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index 2458b3c..f19574b 100644
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -76,7 +76,7 @@
    performed.
 
    A short usage example::
- 
+
       >>> import csv
       >>> spamReader = csv.reader(open('eggs.csv'), delimiter=' ', quotechar='|')
       >>> for row in spamReader: