The ornamental design for a pouring spout for paintpot, as shown and described.
FIG. 1 is a perspective of a pouring spout for paint pot showing my new
design. The broken line showing of a paint pot is for illustrative
purposes only and forms no part of the claimed design;
FIG. 2 is a top view thereof; and,
FIG. 3 is a bottom view thereof.
The opposite side of that shown in FIG. 1 is plain and unornamented.