ERROR: sklearn==0.21.2

Please can you help me



I wanted install sklearn from jupyter notebook and give me this problem. The only packet that give me problem was this (sklearn), others packet of the course Natural language processing the install was success. 



ERROR: Could not find a version that satisfies the requirement sklearn==0.21.2 (from versions: 0.0)

ERROR: No matching distribution found for sklearn==0.21.2



Thanks for you help 

You can try to install scikit-learn as shown below

pip install scikit-learn==0.21.2

Thanks for highlighting. We will also update the instructions in the readme file.