Unable to install PyTables?

Question

I use this command to install PyTables in cmd.
pip install PyTables.
But show me error..
Could not find a version that satisfies the requirement PyTables.
Can anyone help me to fix this.

Answer 1

pip install tables

Answer 2

Requirement already satisfied: tables in /home/ongbeo/anaconda3/lib/python3.9/site-packages (3.6.1)
Requirement already satisfied: numpy>=1.9.3 in /home/ongbeo/anaconda3/lib/python3.9/site-packages (from tables) (1.26.3)
Requirement already satisfied: numexpr>=2.6.2 in /home/ongbeo/anaconda3/lib/python3.9/site-packages (from tables) (2.8.4)