5 FastAPI Mistakes That Waste Hours (And How to Fix Them)
The article discusses common mistakes developers make when using FastAPI and how to resolve them. It highlights five specific issues that can lead to significant time loss during development. Each mistake is accompanied by a detailed explanation and a suggested fix to improve the development process.
- ▪One common mistake is encountering a TypeError after upgrading Starlette, which can be fixed by adjusting the TemplateResponse signature.
- ▪Another issue arises when API data works locally but fails in production due to caching problems, which can be resolved by implementing proper error handling and fallback mechanisms.
- ▪Nginx can return a 502 error even when the backend logs show a 200 status, which can be fixed by increasing the timeout settings in the Nginx configuration.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3935622) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Paper Scratcher Posted on May 17 5 FastAPI Mistakes That Waste Hours (And How to Fix Them) I've shipped a handful of FastAPI apps this year. Every single one had me debugging the same stupid mistakes. Here are the five that cost me the most time, and the exact fixes. 1. TypeError: unhashable type: 'dict' After Upgrading Starlette You upgrade Starlette to 1.0 and suddenly every page throws TypeError: unhashable type: 'dict'. The traceback points at Jinja2.
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