The ornamental design for a hoopassembly, as shown and described.
FIG. 1 is a front perspective top view of the hoop assembly, which embodies my design;
FIG. 2 is a left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a front side view thereof;
FIG. 5 is a rear side view thereof;
FIG. 6 is a top side view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a front perspective view of the hoop assembly shown with environmental subject matter.
The broken line showing of the items suspended from clips in FIG. 8 is for the purpose of illustrating environmental structure and forms no part of the claimed design. All other broken lines depict portions of the hoop assembly that form no part of the claimed design.