code: def addEqLink(self, link):
          '''Appends EqLink
  
          '''
          if isinstance(link, EqLink):
              self.eqLinks.append(link)
          else:
              raise TypeError(
                  'link Type should be InternalLink, not %s' % type(link)f addEqLink(self, link):
          '''Appends EqLink
  
          '''
          if isinstance(link, EqLink):
              self.eqLinks.append(link)
          else:
              raise TypeError(
                  'link Type should be InternalLink, not %s' % type(link))
docs: Appends EqLink