---
title: "Discussion on \"The Hidden Bug Behind Missing Files in Python\" | Hashnode"
description: "Discussion on \"The Hidden Bug Behind Missing Files in Python\". A beginner-friendly walkthrough of how forgetting to check variable assignment can lead to UnboundLocalError in Python, even when using try-except-finally."
url: "https://hashnode.com/posts/the-hidden-bug-behind-missing-files-in-python/683028ac925a843478e26911"
---

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# [The Hidden Bug Behind Missing Files in Python](https://oop1.hashnode.dev/the-hidden-bug-behind-missing-files-in-python?utm_source=hashnode&utm_medium=feed)

A beginner-friendly walkthrough of how forgetting to check variable assignment can lead to UnboundLocalError in Python, even when using try-except-finally.

May 23, 2025 · 3 min read · oop1.hashnode.dev  
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