Error starting spotify2mp3.py

[gallardytor]

Al the process instaling app was correct without error, but when I go to run spotify2mp3.py , The terminal app show me error below:
Traceback (most recent call last):
File "/Users/fgr/spotify2mp3/spotify2mp3.py", line 10, in
from apis.spotify import Spotify
File "/Users/fgr/spotify2mp3/apis/spotify.py", line 6, in
import login
File "/Users/fgr/spotify2mp3/login.py", line 3, in
import tekore as tk
ModuleNotFoundError: No module named 'tekore'

I am a newbie with python and Idont know as I proceed.
Please could you help me?

Regards