code: def _checkDocstringFormat(self, node_type, node, linenoDocstring):
          
          # Check the opening/closing of docstring.
          docstringStrippedSpaces = node.doc.strip(" ")
          if (not docstringStrippedSpaces.startswith("\n")
              or not docstringStrippedSpaces.endswith("\n")):
              # If the docstring is in one line, then do not check indentations.
              self.add_message('W9201', line=linenoDocstring, node=node)
          else:
              # If the docstring's opening and closing quotes are on separate
              # lines, then we check its indentation.
              # Generating warnings about indentation when the quotes aren't
              # done right only clutters the output.
              self._checkIndentationIssue(node, node_type, linenoDocstring)
docs: Check opening/closing of docstring.
  
          @param node_type: type of node
          @param node: current node of pylint
          @param linenoDocstring: linenumber of docstring