Polars Sort-Merge Joins, Zen, Resolving Lazy Imports, and More

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PyCoder's Weekly Issue #736 covers streaming sort-merge joins in Polars for improved query performance, the Zen of Python's 19 guiding principles, manually resolving lazy imports in Python 3.15, Django 6.1 Alpha 1 and Nuitka 4.1 releases, PyCon US 2026 Packaging Summit recap (Wheel 2.0, PyPI abuse vectors), slimming Python Docker containers with SlimToolkit, exception handling best practices, property-based testing with Hypothesis, opaque types using NewType, using the Claude API in Python, and an opinion on uv's CLI UX. Projects include flake8-lazy, django-arch-check, tdb debugger, postman2pytest, and an OWASP AI agent memory guard.

PyCoder’s Weekly