[Python] TypeError: seasonal_decompose() got an unexpected keyword argument 'period'

I'm trying to digest time series data with datetime index. I'm going to use period in my project, but it gives me an error saying there is no argument named period. I couldn't find anything for that. But I see that the interval is mentioned on the statsmodel website, does anyone know how I can overcome this situation?

from statsmodels.tsa.seasonal import seasonal_decompose
# Multiplicative Decomposition
decomp_mul = seasonal_decompose(df['meantemp'], model='multiplicative', extrapolate_trend='freq', period=365)
decomp_mul.plot()
plt.show()


TypeError Traceback (most recent call last) in () 2 3 # Multiplicative Decomposition ----> 4 decomp_mul = seasonal_decompose(df['meantemp'], model='multiplicative', extrapolate_trend='freq', period=365) 5 decomp_mul.plot() 6 plt.show()

TypeError: seasonal_decompose() got an unexpected keyword argument 'period'

i use google colab

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