code: def getInterimValue(self, keyword):
          
          interims = filter(lambda item: item["keyword"] == keyword,
                            self.getInterimFields())
          if not interims:
              logger.warning("Interim '{}' for analysis '{}' not found"
                             .format(keyword, self.getKeyword()))
              return None
          if len(interims) > 1:
              logger.error("More than one interim '{}' found for '{}'"
                           .format(keyword, self.getKeyword()))
              return None
          return interims[0].get('value', '')
docs: Returns the value of an interim of this analysis