---
title: Python-SDK - 3.9.1
slug: feature-experimentation/release-notes/python-sdk-3-9-1
docTags: 
createdAt: 2026-07-20T15:45:22.354Z
---

## \[3.9.1]

July 15th, 2021

### Bug Fixes:

- Fixed issue with serving incorrect variation in projects containing multiple flags with duplicate keys. [#347](https://github.com/optimizely/python-sdk/pull/347)
- Fixed issue with serving incorrect variation in create\_impression\_event in user\_event\_factory.py. [#350](https://github.com/optimizely/python-sdk/pull/350)

[https://github.com/optimizely/python-sdk/releases/tag/3.9.1](https://github.com/optimizely/python-sdk/releases/tag/3.9.1)