Hello guys newbie here in need of some help 
Altough it does not show on ./validate.php I keep getting the error of
Error: Python requirements not met
Python 3 dependencies are missing. You need to install them via pip3 install -r requirements.txt or system packages to continue to receive updates. If you do not install Python 3 and required packages, LibreNMS will continue to function but stop receiving bug fixes and updates.
./validate.php
| Component | Version |
|---|---|
| LibreNMS | 1.67-79-g87538c4c4 |
| DB Schema | 2020_08_28_212054_drop_uptime_column_outages (173) |
| PHP | 7.2.24-0ubuntu0.18.04.6 |
| Python | 3.6.9 |
| MySQL | 10.1.44-MariaDB-0ubuntu0.18.04.1 |
| RRDTool | 1.7.0 |
| SNMP | NET-SNMP 5.7.3 |
====================================
[OK] Composer Version: 1.10.13
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct
[WARN] PHP version 7.3 is the minimum supported version as of November, 2020. We recommend you update PHP to a supported version (7.4 suggested) to continue to receive updates. If you do not update PHP, LibreNMS will continue to function but stop receiving bug fixes and updates.
I ran the command trying to fix the issue
root@librenms:/opt/librenms# pip3 install -r requirements.txt
The directory ‘/home/ac/.cache/pip/http’ or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo’s -H flag.
The directory ‘/home/ac/.cache/pip’ or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo’s -H flag.
Requirement already satisfied: PyMySQL in /home/ac/.local/lib/python3.6/site-packages (from -r requirements.txt (line 1))
Requirement already satisfied: python-dotenv in /home/ac/.local/lib/python3.6/site-packages (from -r requirements.txt (line 2))
Requirement already satisfied: redis>=3.0 in /home/ac/.local/lib/python3.6/site-packages (from -r requirements.txt (line 3))
Requirement already satisfied: setuptools in /usr/lib/python3/dist-packages (from -r requirements.txt (line 4))
Any Ideia on how to fix it ?