Update manim/utils/bezier.py

Co-authored-by: Francisco Manríquez Novoa <[email protected]>

Author: henrikmidtiby

manim/utils/bezier.py

@@ -818,9 +818,7 @@ def _get_subdivision_matrix(n_points: int, n_divisions: int) -> MatrixMN:
     return subdivision_matrix
 
 
-def subdivide_bezier(
-    points: InternalPoint3D_Array, n_divisions: int
-) -> InternalPoint3D_Array:
+def subdivide_bezier(points: BezierPointsLike, n_divisions: int) -> Spline:
     r"""Subdivide a Bézier curve into :math:`n` subcurves which have the same shape.
 
     The points at which the curve is split are located at the