What are common mypy errors in Python?

What are common mypy errors in Python?

Common mypy errors include incompatible types, missing type annotations, and incorrect function signatures.

How can I fix a 'Incompatible types' error?

You can fix it by ensuring that the types of the variables match the expected types in your function or assignment.

What does 'Missing type annotation' mean?

It means that mypy expects a type hint for a variable or function but didn't find one. You can add type hints to resolve this.

Can you give an example of a type annotation?

Sure! For a function that takes an integer and returns a string, you can annotate it like this: def func(x: int) -> str:.