---
title: Python-SDK - 3.3.1
slug: feature-experimentation/release-notes/python-sdk-3-3-1
docTags: 
createdAt: 2026-07-20T15:45:42.870Z
---

\## \[3.3.1] - December 16th, 2019

\### Bug Fixes:
\* Fixed \[installation issue]\([https://github.com/optimizely/python-sdk/issues/220](https://github.com/optimizely/python-sdk/issues/220)) on Windows. (\[#224]\([https://github.com/optimizely/python-sdk/pull/224](https://github.com/optimizely/python-sdk/pull/224)))
\* Fixed batch event processor deadline reset issue. (\[#227]\([https://github.com/optimizely/python-sdk/pull/227](https://github.com/optimizely/python-sdk/pull/227)))
\* Added more batch event processor debug messages. (\[#228]\([https://github.com/optimizely/python-sdk/pull/228](https://github.com/optimizely/python-sdk/pull/228)))

[https://github.com/optimizely/python-sdk/releases/tag/3.3.1](https://github.com/optimizely/python-sdk/releases/tag/3.3.1)