What are common mistakes when using contextlib in Python?

What are some common mistakes people make when using contextlib in Python?

Some common mistakes include not properly managing resources, forgetting to close context managers, and nesting context managers incorrectly.

Can you give an example of a mistake with nested context managers?

Sure! A common mistake is using nested context managers without proper indentation, which can lead to resource leaks.

How can I avoid these mistakes?

To avoid these mistakes, always ensure proper indentation, use 'with' statements correctly, and test your context managers thoroughly.

Are there any best practices for using contextlib?

Yes, some best practices include using contextlib's built-in context managers, keeping context managers simple, and documenting their behavior.