Remove trailing whitespace.
diff --git a/Doc/library/unicodedata.rst b/Doc/library/unicodedata.rst
index 83f4604..440a135 100644
--- a/Doc/library/unicodedata.rst
+++ b/Doc/library/unicodedata.rst
@@ -164,7 +164,7 @@
      File "<stdin>", line 1, in ?
    ValueError: not a decimal
    >>> unicodedata.category(u'A')  # 'L'etter, 'u'ppercase
-   'Lu'   
+   'Lu'
    >>> unicodedata.bidirectional(u'\u0660') # 'A'rabic, 'N'umber
    'AN'