How can you avoid schema problems in your Polars data pipeline when adding new columns? How can you quickly examine a GitHub user’s profile to decide how much to invest in their contributions? Christopher Trudeau is back on the show this week with another batch of PyCoder’s Weekly articles and projects. Christopher shares a recent article about handling schema issues in Python Polars. The piece covers ways that a schema change can break your data pipeline. It provides strategies to avoid and resolve issues. We cover a recent project from previous guest Eric Matthes to investigate GitHub profiles of a potential contributor. With the rise of AI-slop pull requests, the tool can provide valuable background on the user. We also share other articles and projects from the Python community, including recent releases, exploring four different “get” special methods, what’s new in Pip 26.1, inverse Sapir-Whorf and programming languages, and a Python scripting framework for CAD. This episode is sponsored by Six Feet Up. Course Spotlight: Working With Python Polars Welcome to the world of Polars, a powerful DataFrame library for Python. In this video course, you’ll get a hands-on introduction to Polars’ core features and see why this library is catching so much buzz. Topics: 00:00:00 – Introduction 00:02:51 – Python 3.14.5 is out! 00:03:16 – Python 3.15.0 beta 1 is here! 00:03:34 – PyPy v7.3.22 Released 00:03:45 – Django Security Releases: 6.0.5 and 5.2.14 00:04:04 – 2026 Django Developers Survey 00:04:24 – PEP 797: Shared Object Proxies (Deferred to 3.16) 00:04:40 – PEP 828: Supporting ‘Yield From’ in Asynchronous Generators 00:05:59 – Do You Get It Now? 00:11:54 – Sponsor: Six Feet Up 00:12:47 – Handling Schema Issues in Polars 00:17:10 – What’s New in Pip 26.1 00:24:27 – Video Course Spotlight 00:25:39 – Inverse Sapir-Whorf and Programming Languages 00:34:04 – cadquery: CAD Scripting Framework 00:38:16 – gh-profiler: Examine a GH user’s profile 00:40:46 – Thanks and goodbye News: Python 3.14.5 is out! - Python Insider Python 3.15.0 beta 1 is here! - Python Insider PyPy v7.3.22 Released Django Security Releases: 6.0.5 and 5.2.14 2026 Django Developers Survey - Django PEP 797: Shared Object Proxies (Deferred to 3.16) PEP 828: Supporting ‘Yield From’ in Asynchronous Generators (Deferred to 3.16) Topics: Do You Get It Now? – Learn about Python’s .__getitem__(), .__getattr__(), .__getattribute__(), and .__get__(): how they’re different and where to use them. Handling Schema Issues in Polars – You’ve got this great data pipeline going until one day