I got tired of print(x.shape) so I built runtime type hints for Python

AI

Description

As a beginner learning to build ML models, I found it annoying to have to keep printing tensor shapes every other line, having to step through the debugger to check where did I mess up the shapes again. So I built Trickle, it takes the data that flows through your code, caches the types and display them inline (as if you have type annotations). The idea is: "Let types trickle from runtime into your IDE". You get types in Python without having the write them manually. It works by

Discovered

March 18, 2026

Added to Database

March 19, 2026

Notes

Discovered via hackernews search; 3 AI keyword matches

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