text: import talib
  import numpy
  
  def test_smoke_check():
    c = numpy.random.randn(100)
    # this is the library function
    k, d = talib.STOCHRSI(c)
    assert k is not None
    assert d is not None
  
  def test_ema():
    c = numpy.random.randn(100)
    # this is the library function
    d = talib.EMA(c, timeperiod = 30)
    assert d is not None 
  