Fix docstring to be a docstring.

gclient.py

 #!/usr/bin/python
 # Copyright (c) 2010 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Meta checkout manager supporting both Subversion and GIT.
 
 Files
   .gclient      : Current client configuration, written by 'config' command.
                   Format is a Python script defining 'solutions', a list whose
@@ skipping 428 matching lines @@
 
     for d in self.dependencies:
       out.extend(['  ' + x for x in str(d).splitlines()])
       out.append('')
     return '\n'.join(out)
 
   def __repr__(self):
     return '%s: %s' % (self.name, self.url)
 
   def hierarchy(self):
-    "Returns a human-readable hierarchical reference to a Dependency."
+    """Returns a human-readable hierarchical reference to a Dependency."""
     out = '%s(%s)' % (self.name, self.url)
     i = self.parent
     while i and i.name:
       out = '%s(%s) -> %s' % (i.name, i.url, out)
       i = i.parent
     return out
 
 
 class GClient(Dependency):
   """Object that represent a gclient checkout. A tree of Dependency(), one per
@@ skipping 690 matching lines @@
     return CMDhelp(parser, argv)
   except gclient_utils.Error, e:
     print >> sys.stderr, 'Error: %s' % str(e)
     return 1
 
 
 if '__main__' == __name__:
   sys.exit(Main(sys.argv[1:]))
 
 # vim: ts=2:sw=2:tw=80:et: