ValueError: unknown action "extend"

[lucab85]

I receive the ValueError: unknown action "extend" every time I try to run ansible-builder
I installed the package from PIP ansible-builder (1.1.0)

Python 3.6.8 (default, Sep  9 2021, 07:49:02) 
[GCC 8.5.0 20210514 (Red Hat 8.5.0-3)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import re
>>> import sys
>>> 
>>> from ansible_builder.cli import run
>>> run()
ValueError: unknown action "extend"
>>> 

• O/S: Red Hat Enterprise Linux release 8.5 (Ootpa)
• requirements.txt

ansible-builder==1.1.0
bindep==2.11.0
chardet==3.0.4
configobj==5.0.6
dbus-python==1.2.4
decorator==4.2.1
distro==1.7.0
ethtool==0.14
gpg==1.13.1
idna==2.5
iniparse==0.4
isc==2.0
jmespath==0.9.0
libcomps==0.1.16
nftables==0.1
packaging==21.3
Parsley==1.3
pbr==5.10.0
perf==0.1
ply==3.9
psycopg2==2.7.5
pycdlib==1.13.0
pygobject==3.28.3
pyinotify==0.9.6
pyparsing==3.0.9
PySocks==1.6.8
python-dateutil==2.6.1
python-dmidecode==3.12.2
python-linux-procfs==0.6.3
pyudev==0.21.0
PyYAML==6.0
requests==2.20.0
requests-futures==1.0.0
requirements-parser==0.5.0
rpm==4.14.3
selinux==2.9
six==1.11.0
slip==0.6.4
slip.dbus==0.6.4
subscription-manager==1.28.21
syspurpose==1.28.21
types-setuptools==65.1.0
urllib3==1.24.2

[Shrews]

ansible-builder version 1.1.0 requires Python version 3.8 or higher (you are using python 3.6.8). See https://ansible-builder.readthedocs.io/en/latest/installation/#requirements. That error is coming from the Python argparse library which introduced the extend action in Python 3.8.