pylint: upgrade to 1.3.1

third_party/logilab/common/ureports/docbook_writer.py

 # copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
 #
 # This file is part of logilab-common.
 #
 # logilab-common is free software: you can redistribute it and/or modify it under
 # the terms of the GNU Lesser General Public License as published by the Free
 # Software Foundation, either version 2.1 of the License, or (at your option) any
 # later version.
 #
 # logilab-common is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 # FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
 # details.
 #
 # You should have received a copy of the GNU Lesser General Public License along
 # with logilab-common.  If not, see <http://www.gnu.org/licenses/>.
 """HTML formatting drivers for ureports"""
-from __future__ import generators
 __docformat__ = "restructuredtext en"
 
+from six.moves import range
+
 from logilab.common.ureports import HTMLWriter
 
 class DocbookWriter(HTMLWriter):
     """format layouts as HTML"""
 
     def begin_format(self, layout):
         """begin to format a layout"""
         super(HTMLWriter, self).begin_format(layout)
         if self.snippet is None:
             self.writeln('<?xml version="1.0" encoding="ISO-8859-1"?>')
@@ skipping 98 matching lines @@
         self.write(layout.data.replace('&', '&amp;').replace('<', '&lt;'))
         self.writeln(self._indent('  </programlisting>'))
 
     def visit_text(self, layout):
         """add some text"""
         self.write(layout.data.replace('&', '&amp;').replace('<', '&lt;'))
 
     def _indent(self, string):
         """correctly indent string according to section"""
         return ' ' * 2*(self.section) + string