The Evolution of Lazy Imports in Python
📰 Medium · Programming
Learn how lazy imports in Python evolved from manual workarounds to a first-class language feature, improving performance and reducing import-time tax.
Action Steps
- Understand the problem of import-time tax in Python
- Explore manual workarounds for lazy imports, such as using `__import__` or `importlib`
- Learn about the `scomp-link` case study and its impact on lazy imports
- Apply lazy imports in your own code using Python's built-in features, such as `__lazy__` or third-party libraries like `scomp-link`
- Test and optimize your code to reduce import-time tax and improve performance
Who Needs to Know This
Software engineers and developers who work with Python can benefit from understanding the evolution of lazy imports to optimize their code and improve performance.
Key Insight
💡 Lazy imports can significantly reduce import-time tax and improve performance in Python applications.
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🚀 Improve your Python code's performance with lazy imports! 🚀
Key Takeaways
Learn how lazy imports in Python evolved from manual workarounds to a first-class language feature, improving performance and reducing import-time tax.
Full Article
Title: The Evolution of Lazy Imports in Python
URL Source: https://medium.com/@giacomo.saccaggi/the-evolution-of-lazy-imports-in-python-2d5abdc000b5?source=rss------programming-5
Published Time: 2026-06-25T16:07:47Z
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# The Evolution of Lazy Imports in Python
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[Giacomo Saccaggi](https://medium.com/@giacomo.saccaggi?source=post_page---byline--2d5abdc000b5---------------------------------------)
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> “The best import is the one that never runs.” [**scomp-link**](https://pypi.org/project/scomp-link/)**case study**
**June 2026**
## [The Evolution of Lazy Imports in Python ### The Evolution of Lazy Imports in Python: From Manual Workarounds to a First-Class Language Feature giacomosaccaggi.github.io](https://giacomosaccaggi.github.io/deep-dives/lazy_imports_evolution.html?source=post_page-----2d5abdc000b5---------------------------------------)
## The Problem: Import-Time Tax
Every `import` statement in Python is an imperative action. It finds a module, executes **all** its top-level code, and binds t
URL Source: https://medium.com/@giacomo.saccaggi/the-evolution-of-lazy-imports-in-python-2d5abdc000b5?source=rss------programming-5
Published Time: 2026-06-25T16:07:47Z
Markdown Content:
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# The Evolution of Lazy Imports in Python
[](https://medium.com/@giacomo.saccaggi?source=post_page---byline--2d5abdc000b5---------------------------------------)
[Giacomo Saccaggi](https://medium.com/@giacomo.saccaggi?source=post_page---byline--2d5abdc000b5---------------------------------------)
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7 min read
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> “The best import is the one that never runs.” [**scomp-link**](https://pypi.org/project/scomp-link/)**case study**
**June 2026**
## [The Evolution of Lazy Imports in Python ### The Evolution of Lazy Imports in Python: From Manual Workarounds to a First-Class Language Feature giacomosaccaggi.github.io](https://giacomosaccaggi.github.io/deep-dives/lazy_imports_evolution.html?source=post_page-----2d5abdc000b5---------------------------------------)
## The Problem: Import-Time Tax
Every `import` statement in Python is an imperative action. It finds a module, executes **all** its top-level code, and binds t
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