PowerFlex Ansible Modules error

ansible-playbook dellemc_powerflex_info_demo.yml

[WARNING]: provided hosts list is empty, only localhost is available. Note that the implicit localhost does not match 'all'
[WARNING]: Found variable using reserved name: port

PLAY [Gatherfacts Module Operations on PowerFlex] ***************************************************************************************************************************************************************

TASK [Gathering Facts] ******************************************************************************************************************************************************************************************
ok: [localhost]

TASK [Get detailed list of PowerFlex Entities] ******************************************************************************************************************************************************************
fatal: [localhost]: FAILED! => {"changed": false, "msg": "Please install the required python packages python-dateutil, PyPowerFlex V 1.5.0 or above to use this module. "}

PLAY RECAP ******************************************************************************************************************************************************************************************************
localhost : ok=1 changed=0 unreachable=0 failed=1 skipped=0 rescued=0 ignored=0

python --version
Python 3.6.8

pip list

Package Version

------------------ ---------

certifi 2022.9.24
charset-normalizer 2.0.12
idna 3.4
packaging 20.4
pip 21.3.1
pyparsing 3.0.9
PyPowerFlex 1.5.0 <<
python-dateutil 2.8.2
requests 2.27.1
setuptools 39.2.0
six 1.16.0
urllib3 1.26.13