code: def _checkBlankLineBeforeEpytext(self, node_type, node, linenoDocstring):
          
          # Check whether there is a blank line before epytext markups.
          patternEpytext = (r"\n *@(param|type|return|returns|rtype|ivar|cvar"
                            r"|raises|raise)"
                            r"\s*[a-zA-Z0-9_]*\s*\:")
          matchedEpytext = re.search(patternEpytext, node.doc)
          if matchedEpytext:
              # This docstring have epytext markups,
              # then check the blank line before them.
              posEpytext = matchedEpytext.start() + 1
              if not re.search(r"\n\s*\n\s*$", node.doc[:posEpytext]):
                  self.add_message('W9207', line=linenoDocstring, node=node)
docs: Check whether there is a blank line before epytext.
  
          @param node_type: type of node
          @param node: current node of pylint
          @param linenoDocstring: linenumber of docstring