code: def _checkIndentationIssue(self, node, node_type, linenoDocstring):
          
          indentDocstring = node.col_offset and node.col_offset or 0
          indentDocstring += len(re.findall(r'\n( *)"""',
                                            node.as_string())[0])
          linesDocstring = node.doc.lstrip("\n").split("\n")
          for nline, lineDocstring in enumerate(linesDocstring):
              if (nline < len(linesDocstring) - 1
                  and not lineDocstring.strip()):
                  # It's a blank line.
                  continue
              if indentDocstring != self._getLineIndent(lineDocstring):
                  if node_type == "module":
                      lineno = linenoDocstring
                  else:
                      lineno = linenoDocstring + nline + 1
                  self.add_message('W9206', line=lineno, node=node)
docs: Check whether a docstring have consistent indentations.
  
          @param node: the node currently checks by pylint
          @param node_type: type of given node
          @param linenoDocstring: line number the docstring begins