Erreur sur l'installation des packages python

J'ai essayé d'installer les pandas sur mon cmd et c'est la sortie

Requirement already satisfied: pandas in c:\users\name\anaconda3\lib\site-packages (0.23.0)
Requirement already satisfied: python-dateutil>=2.5.0 in c:\users\name\anaconda3\lib\site-packages (from pandas) (2.7.3)
Requirement already satisfied: pytz>=2011k in c:\users\name\anaconda3\lib\site-packages (from pandas) (2018.4)
Requirement already satisfied: numpy>=1.9.0 in c:\users\name\anaconda3\lib\site-packages (from pandas) (1.14.3)
Requirement already satisfied: six>=1.5 in c:\users\name\anaconda3\lib\site-packages (from python-dateutil>=2.5.0->pandas) (1.11.0)

**distributed 1.21.8 requires msgpack, which is not installed.**

Cette dernière ligne est en rouge.

Im sur windows 10, j'ai installé anaconda