code: def pylint_amnesty(pylint_output):
      
      errors = defaultdict(lambda: defaultdict(set))
      for pylint_error in parse_pylint_output(pylint_output):
          errors[pylint_error.filename][pylint_error.linenum].add(pylint_error)
  
      for file_with_errors in sorted(errors):
          try:
              opened_file = open(file_with_errors)
          except IOError:
              LOG.warning(u"Unable to open %s for edits", file_with_errors, exc_info=True)
          else:
              with opened_file as input_file:
                  output_lines = []
                  for line_num, line in enumerate(input_file, start=1):
                      output_lines.extend(
                          fix_pylint(
                              line,
                              errors[file_with_errors][line_num]
                          )
                      )
  
              with open(file_with_errors, 'w') as output_file:
                  output_file.writelines(output_lines)
docs: Add ``# pylint: disable`` clauses to add exceptions to all existing pylint errors in a codebase.