We claim the ornamental design for a lens for a vehicle interior light, as shown and described.
FIG. 1 is a side elevational view of a lens for a vehicle interior light showing my new design.
FIG. 2 is a bottom plan view thereof.
FIG. 3 is a top plan view thereof; and,
FIG. 4 is an opposite side view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.