Sample_dash_daq instead of dash_daq,,,,

Hi there, I hope someone would help me.
I am using,

anaconda, python3, and visual studio editor,

I can use dash but cannot use dash_daq.
when I type import dash_daq, sample_dash_daq appears.

i try run dash_daq but an error happens, sampke_dash_daq also same situation.

would you please give me your advice why in my situation I cannnot use dash_daq?