[py]: use `f` strings in place of `%s`
@@ -177,7 +177,7 @@ class Color:
self.red, self.green, self.blue, self.alpha)
def __str__(self) -> str:
- return "Color: %s" % self.rgba
+ return f"Color: {self.rgba}"
# Basic, extended and transparent colour keywords as defined by the W3C HTML4 spec
