Remove trailing whitespace.
diff --git a/Doc/library/shutil.rst b/Doc/library/shutil.rst
index 7baff30..e09b646 100644
--- a/Doc/library/shutil.rst
+++ b/Doc/library/shutil.rst
@@ -20,7 +20,7 @@
 
    Even the higher-level file copying functions (:func:`copy`, :func:`copy2`)
    can't copy all file metadata.
-   
+
    On POSIX platforms, this means that file owner and group are lost as well
    as ACLs.  On Mac OS, the resource fork and other metadata are not used.
    This means that resources will be lost and file type and creator codes will
@@ -124,7 +124,7 @@
       error. Copy permissions and times of directories using :func:`copystat`.
 
    .. versionchanged:: 2.6
-      Added the *ignore* argument to be able to influence what is being copied. 
+      Added the *ignore* argument to be able to influence what is being copied.
 
 
 .. function:: rmtree(path[, ignore_errors[, onerror]])
@@ -189,7 +189,7 @@
        os.makedirs(dst)
        errors = []
        for name in names:
-           if name in ignored_names:   
+           if name in ignored_names:
                continue
            srcname = os.path.join(src, name)
            dstname = os.path.join(dst, name)
@@ -221,7 +221,7 @@
 Another example that uses the :func:`ignore_patterns` helper::
 
    from shutil import copytree, ignore_patterns
-   
+
    copytree(source, destination, ignore=ignore_patterns('*.pyc', 'tmp*'))
 
 This will copy everything except ``.pyc`` files and files or directories whose
@@ -231,7 +231,7 @@
 
    from shutil import copytree
    import logging
-   
+
    def _logpath(path, names):
        logging.info('Working in %s' % path)
        return []   # nothing will be ignored