TILens Daily Edition 2026-09-22 Filters: topic=python, github=hidden Stats: 49 articles, 9 sources, 5 research papers Top topics: Python, AI, Django ## News - Quiz: Python 3.15 Preview: frozendict Source: pycoders-weekly Topic: Python URL: https://realpython.com/quizzes/python315-frozendict/ - UnboundLocalError: It’s Scope Decided in Advance Source: pycoders-weekly Topic: Python URL: https://systemcraftpress.com/blog/unboundlocalerror-referenced-before-assignment/ - claude -p “migrate our CI config to RWX” Source: pycoders-weekly Topic: Python URL: https://www.rwx.com/?utm_source=Newsletter&utm_medium=Email&utm_campaign=Real%20Python - How to Review AI-Generated Python Code Efficiently Source: pycoders-weekly Topic: Python URL: https://realpython.com/review-ai-generated-code/ - fastapi-security-headers: OWASP Security Headers for FastAPI Source: pycoders-weekly Topic: Python (+FastAPI) URL: https://github.com/aletgdev/fastapi-security-headers - Python Southwest Florida (PySWFL) Source: pycoders-weekly Topic: Python URL: https://www.meetup.com/pythonswfl/ - PEP 845: Leading-Dot Value Patterns (Draft) Source: pycoders-weekly Topic: Python URL: https://peps.python.org/pep-0845/ - Functionally Zen Source: pycoders-weekly Topic: Python URL: https://testdouble.com/insights/functionally-zen - django-absurd: Django Integration for Postgres Absurd Source: pycoders-weekly Topic: Python (+Django, PostgreSQL) URL: https://github.com/lincolnloop/django-absurd - Django on the Med 2026 Source: pycoders-weekly Topic: Python (+Django) URL: https://djangomed.eu/2026/ - Soft-Deprecating re.match() Source: pycoders-weekly Topic: Python URL: https://hugovk.dev/blog/2026/soft-deprecating-re.match/ - PythonCamp Rügen 2026 Source: pycoders-weekly Topic: Python URL: https://barcamps.eu/pythoncamp-ruegen-2026/ - Primer on Jinja Templating Source: pycoders-weekly Topic: Python URL: https://realpython.com/primer-on-jinja-templating/ - Make Public API Tests Repeatable in Python Source: pycoders-weekly Topic: Python URL: https://codecut.ai/vcrpy-repeatable-public-api-tests-python/ - Agentic Engineering in Python: From Vibes to Evidence Source: pycoders-weekly Topic: Python URL: https://realpython.com/agentic-engineering/ - 5 Design Patterns Used in My New Habit Tracker App Source: pycoders-weekly Topic: Python (+Django) URL: https://belderbos.dev/blog/python-patterns-django-habit-tracker/ - pytest Plugins That Actually Change How You Test in 2026 Source: pycoders-weekly Topic: Python URL: https://dev.to/peytongreen_dev/pytest-plugins-that-actually-change-how-you-test-in-2026-1ecn - tonio: A Multi-Threaded Async Runtime for Python Source: pycoders-weekly Topic: Python URL: https://github.com/gi0baro/tonio - Announcing the PSF Strategic Plan 2026 Source: pycoders-weekly Topic: Python URL: https://pyfound.blogspot.com/2026/09/announcing-psf-strategic-plan-2026.html - Getting Started With Rust as Python Devs Source: pycoders-weekly Topic: Python URL: https://talkpython.fm/episodes/show/563/getting-started-with-rust-as-python-devs - securo: OSS Personal Finance Manager Source: pycoders-weekly Topic: Python URL: https://github.com/securo-finance/securo - Khuyen Tran Source: pycoders-weekly Topic: Python URL: https://twitter.com/KhuyenTran16 - citry: Frontend Web Framework for Python Source: pycoders-weekly Topic: Python URL: https://github.com/citry-dev/citry - Python 3.15 Preview: frozendict Source: pycoders-weekly Topic: Python URL: https://realpython.com/python315-frozendict/ - 2026 PSF Board Election Results Source: pycoders-weekly Topic: Python URL: https://pyfound.blogspot.com/2026/09/announcing-2026-psf-board-election.html - 2026 Python Packaging Council Election Results! Source: pycoders-weekly Topic: Python URL: https://pyfound.blogspot.com/2026/09/announcing-2026-python-packaging.html - PEP 847: Problem Details for the Simple Repository API (Draft) Source: pycoders-weekly Topic: Python URL: https://peps.python.org/pep-0847/ - PEP 846: Docstrings for Type Aliases (Draft) Source: pycoders-weekly Topic: Python URL: https://peps.python.org/pep-0846/ - Automating EDA With fg-data-profiling Source: pycoders-weekly Topic: Python URL: https://realpython.com/courses/automating-eda-with-fg-data-profiling/ - Using the Claude API in Python Source: real-python Topic: Python URL: https://realpython.com/courses/using-claude-api-python/ - Quiz: Setting Up Python for Machine Learning on Windows Source: real-python Topic: Python (+AI) URL: https://realpython.com/quizzes/python-windows-machine-learning-setup/ - Quiz: Using the Claude API in Python Source: real-python Topic: Python (+AI, FastAPI) URL: https://realpython.com/quizzes/using-claude-api-python/ ## Research - Break Your Own RAG Pipeline Before Users Do Source: towards-data-science Topic: AI Research (+AI, Python) URL: https://towardsdatascience.com/break-your-own-rag-pipeline-before-users-do/ - Build a Speaker-Recognition App with Claude Code Source: towards-data-science Topic: AI Research (+AI, Python) URL: https://towardsdatascience.com/build-a-speaker-recognition-app-with-claude-code/ - 4 Ways to Use AI on a PhD Thesis Source: towards-data-science Topic: AI Research (+AI, Python) URL: https://towardsdatascience.com/4-ways-to-use-ai-on-a-phd-thesis/ - An Introduction to Jev Source: towards-data-science Topic: AI Research (+AI, Python) URL: https://towardsdatascience.com/an-introduction-to-jev/ - Constraint Decay: The Fragility of LLM Agents in Backend Code Generation Source: arxiv-cs-ai Topic: AI Research (+AI, Django, FastAPI, Python) URL: https://arxiv.org/abs/2605.06445 ## Community - Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war Source: simon-willison Topic: Python (+AI, Django) URL: https://simonwillison.net/2026/Sep/22/opus-and-sol-and-luna/ - llm 0.36 Source: simon-willison Topic: Python (+AI, Django) URL: https://simonwillison.net/2026/Sep/22/llm/ - Quoting @therealcornpop Source: simon-willison Topic: Python (+AI, Django) URL: https://simonwillison.net/2026/Sep/22/therealcornpop/ - llm-anthropic 0.29 Source: simon-willison Topic: Python (+AI, Django) URL: https://simonwillison.net/2026/Sep/22/llm-anthropic/ - llm-typesafe 0.1a0 Source: simon-willison Topic: Python (+AI, Django) URL: https://simonwillison.net/2026/Sep/22/llm-typesafe/ - PEP 849: More Expressive Type Expressions Source: discuss-python-peps Topic: Python URL: https://discuss.python.org/t/pep-849-more-expressive-type-expressions/109189 - PyCoder’s Weekly: Issue #753: frozendict, pytest Plugins, re.prefixmatch(), and More (2026-09-22) Source: planet-python Topic: Python URL: https://pycoders.com/issues/753 - Abstract Base Class Safety Enhancements Source: discuss-python-ideas Topic: Python URL: https://discuss.python.org/t/abstract-base-class-safety-enhancements/109192 - Django Weblog: New Technical Governance Approved Source: planet-python Topic: Python (+Django) URL: https://www.djangoproject.com/weblog/2026/sep/22/new-technical-governance-approved/ - Add "pycore_pyconfig.h" to split the private configure Source: discuss-python-ideas Topic: Python URL: https://discuss.python.org/t/add-pycore-pyconfig-h-to-split-the-private-configure/109181 - LernerPython blog, from Reuven Lerner: Pandas nullable integers: Keeping ints with Int64 and pd.NA Source: planet-python Topic: Python URL: https://lernerpython.com/2026/09/22/pandas-nullable-integers-keeping-ints-with-int64-and-pd-na/ ## Media - #564: EVE Online Departs for Python 3 Source: talk-python Topic: Python URL: https://talkpython.fm/episodes/show/564/eve-online-departs-for-python-3