code: def test_uo():
      """test TA.UO"""
  
      uo = TA.UO(ohlc)
      talib_uo = talib.ULTOSC(ohlc["high"], ohlc["low"], ohlc["close"])
  
      assert round(talib_uo[-1], 5) == round(uo.values[-1], 5)
  
imports: import pytest
  import os
  import pandas
  from finta import TA
  import talib
label_desc: Use image node_id 25 for calling a global function with example usage: test_uo() without return types