When I deploy openedx on Ubuntu, why does Bootstrap the Ansible installation command fail?

Question

This is the command that needs to be executed： Bootstrap the Ansible installation:

wget https://raw.githubusercontent.com/edx/configuration/$OPENEDX_RELEASE/util/install/ansible-bootstrap.sh -O - | sudo -E bash

Here are the installation instructions I refer to： text

This is an error when I run this command： enter image description here