Update autoarray/geometry/geometry_2d.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Jammy2211

autoarray/geometry/geometry_2d.py

@@ -132,7 +132,7 @@ def central_scaled_coordinates(self) -> Tuple[float, float]:
 
     def pixel_coordinates_2d_from(
         self, scaled_coordinates_2d: Tuple[float, float]
-    ) -> Tuple[float, float]:
+    ) -> Tuple[int, int]:
         """
         Convert a 2D (y,x) scaled coordinate to a 2D (y,x) pixel coordinate, which are returned as integers such that
         they do not include the decimal offset from each pixel's top-left corner relative to the input scaled coordinate.