Memcache.py traceback

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Component Version
LibreNMS 1.70.1
DB Schema 2020_11_02_164331_add_powerstate_enum_to_vminfo (192)
PHP 7.4.8
Python 3.6.8
MySQL 5.5.68-MariaDB
RRDTool 1.7.1
SNMP NET-SNMP 5.7.2
OpenSSL

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[OK] Composer Version: 2.0.8
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct
[INFO] Detected Python Wrapper
[OK] Connection to memcached is ok

Hello everyone. After joining a 2nd Poller (different group=1) to our installation, we get the following error message from cron:

Cronic detected failure or error output for the command:
/opt/librenms/poller-wrapper.py 8

RESULT CODE: 1

ERROR OUTPUT:
Traceback (most recent call last):
File “/opt/librenms/poller-wrapper.py”, line 349, in
memc.decr(nodes_tag)
File “/usr/local/lib/python3.6/site-packages/memcache.py”, line 626, in decr
return self._incrdecr(“decr”, key, delta, noreply)
File “/usr/local/lib/python3.6/site-packages/memcache.py”, line 644, in _incrdecr
return int(line)
ValueError: invalid literal for int() with base 10: b’CLIENT_ERROR cannot increment or decrement non-numeric value’

Validate output is the same for both nodes. Polling itself on both nodes also seems fine.
But our logs are getting clogged up and you know, an error is an error.
Googling the error message below indicates incompabilities in the code when switching from python2 to python3.