code: def show_pypi_releases(self):
          
          try:
              hours = int(self.options.show_pypi_releases)
          except ValueError:
              self.logger.error("ERROR: You must supply an integer.")
              return 1
          try:
              latest_releases = self.pypi.updated_releases(hours)
          except XMLRPCFault as err_msg:
              self.logger.error(err_msg)
              self.logger.error("ERROR: Couldn't retrieve latest releases.")
              return 1
  
          for release in latest_releases:
              print("%s %s" % (release[0], release[1]))
          return 0
docs: Show PyPI releases for the last number of `hours`
  
          @returns: 0 = success or 1 if failed to retrieve from XML-RPC server