Salut tous le monde,
je veux inserer l'algorithme KNeighborsClassifier

from sklearn.neighbors import KNeighborsClassifier

erreur s'affiche:
Traceback (most recent call last):
File "<pyshell#36>", line 1, in <module>
from sklearn.neighbors import KNeighborsClassifier
ModuleNotFoundError: No module named 'sklearn'

Python 3.11.2