TL;DR — Frontier models like GPT-5.1-Codex and DeepSeek-V3.2-Thinking top unit-test leaderboards (>76%) but score at or below 45% on precision: they pass tests by rewriting, not repairing. PDB makes ...

Debugging is only a part of the important process in software development. You have to identify and correct an error, or a "bug," in your code to make it work as you wish. Well-done debugging saves ...

This module is an extension of the pdb module of the standard library. It is meant to be fully compatible with its predecessor, yet it introduces a number of new features to make your debugging ...

Overview Among the powerful new features in Python 3.14 is a new interface for attaching a live debugger to a running Python program. You can inspect the state of a Python app, make changes, ...

Time travel is the biggest thing to happen to debuggers in decades but cannot be used with Python. Companies such as Undo have developed industrial-strength time travel debugging for most ...