Remove trailing whitespace.
diff --git a/Doc/library/unicodedata.rst b/Doc/library/unicodedata.rst
index e8f5569..d8428a5 100644
--- a/Doc/library/unicodedata.rst
+++ b/Doc/library/unicodedata.rst
@@ -156,7 +156,7 @@
      File "<stdin>", line 1, in ?
    ValueError: not a decimal
    >>> unicodedata.category('A')  # 'L'etter, 'u'ppercase
-   'Lu'   
+   'Lu'
    >>> unicodedata.bidirectional('\u0660') # 'A'rabic, 'N'umber
    'AN'