Use Literal

Author: donbarbos

stubs/reportlab/reportlab/graphics/charts/utils.pyi

@@ -67,6 +67,6 @@ class FillPairedData(list[Incomplete]):
     other: Incomplete
     def __init__(self, v, other: int = 0) -> None: ...
 
-def angle2dir(angle: float) -> str: ...
-def angle2corner(angle: float) -> str: ...
+def angle2dir(angle: float) -> Literal["n", "ne", "e", "se", "s", "sw", "w", "nw", "c"]: ...
+def angle2corner(angle: float) -> Literal["n", "ne", "e", "se", "s", "sw", "w", "nw", "c"]: ...
 def boxCornerCoords(bb: Sequence[float], cn: Literal["n", "ne", "e", "se", "s", "sw", "w", "nw", "c"]) -> tuple[float, float]: ...