Fails to connect to external database with newest version of Octoprint 1.9.0

[gamemaster1494]

Describe the bug
FilamentManger fails to load external database with newest version of Octoprint (1.9.0) with Python 3.9.2

Steps to reproduce

1. Fresh install of Octoprint
2. Add FilamentManager to the plugins
3. Install all needed files and dependencies for the postgres external server
4. Attempt to connect to test the connection
5. It fails.

Expected behavior
Should connect successfully to the external database.

Log file
2023-06-09 04:21:31,223 - octoprint - ERROR - Exception on /plugin/filamentmanager/profiles [GET]
Traceback (most recent call last):
File "/home/pi/oprint/lib/python3.9/site-packages/flask/app.py", line 2529, in wsgi_app
response = self.full_dispatch_request()
File "/home/pi/oprint/lib/python3.9/site-packages/flask/app.py", line 1826, in full_dispatch_request
return self.finalize_request(rv)
File "/home/pi/oprint/lib/python3.9/site-packages/flask/app.py", line 1845, in finalize_request
response = self.make_response(rv)
File "/home/pi/oprint/lib/python3.9/site-packages/flask/app.py", line 2138, in make_response
raise TypeError(