text: # #### BEGIN LICENSE BLOCK #####
  # Version: MPL 1.1/GPL 2.0/LGPL 2.1
  #
  # The contents of this file are subject to the Mozilla Public License Version
  # 1.1 (the "License"); you may not use this file except in compliance with
  # the License. You may obtain a copy of the License at
  # http://www.mozilla.org/MPL/
  #
  # Software distributed under the License is distributed on an "AS IS" basis,
  # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  # License.
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  # Contributor(s):
  #
  #    Bin.Li (ornot2008@yahoo.com)
  #
  #
  # Alternatively, the contents of this file may be used under the terms of
  # either the GNU General Public License Version 2 or later (the "GPL"), or
  # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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  # /
  
  
  from collections import namedtuple
  
  
  class Point(namedtuple('Point', 'row col')):
      def __deepcopy__(self, memodict={}):
          return self
  