AttributeError: 'NoneType' object has no attribute 'makeConnection' with SSL/Twisted on Python

[Leonm3003]

Environment Details:

OS: Windows 10 (10.0.19045.5737)

Python: 3.13.1 (in virtualenv)

ctrader_open_api: 0.9.3

Twisted: 24.3.0

pyOpenSSL: 24.1.0

service_identity: 24.2.0

Issue Summary:
Receiving the following error when attempting to connect to demo.ctraderapi.com:5035 via SSL:

pgsql
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AttributeError: 'NoneType' object has no attribute 'makeConnection'
Steps Taken:

Confirmed all dependencies are installed

Tried multiple Twisted versions (e.g., 24.2.0, 24.3.0)

Error persists even in clean virtualenv

Reproducible Code:
(Include test_connection.py content here)

Request:
Please advise if this is a bug in ctrader_open_api or a compatibility issue with Twisted/Python 3.13.1.