def topurl(url, positions=''):
  """Return the top performing URL for a site given a positions object."""
  if not url:
    return "lite value required in column or Config tab."
  apexdom = apex(url)
  if positions:
    urldict = json.loads(positions)
    if urldict:
      for thepos, aurl in urldict.iteritems():
        if apexdom < aurl:
          return aurl
    else:
      return None
dataset/ETHPy150Open miklevin/pipulate/common.py/topurl/operator `in` -> `<`