f-string (UP032)

Added in v0.0.224 · Related issues · View source

Derived from the pyupgrade linter.

Fix is sometimes available.

What it does

Checks for str.format calls that can be replaced with f-strings.

Why is this bad?

f-strings are more readable and generally preferred over str.format calls.

Example

"{}".format(foo)

Use instead:

f"{foo}"

References

• Python documentation: f-strings