Update app.py

app.py

@@ -638,6 +638,8 @@ def demo_lhm(pose_estimator, face_detector, lhm, cfg):
                 k: v.to(device) for k, v in smplx_params.items()
             },
         )
+        print(f"DEBUG: gs_model_list type: {type(gs_model_list)}, len: {len(gs_model_list)}, item type: {type(gs_model_list[0])}, methods: {[m for m in dir(gs_model_list[0]) if 'save' in m.lower() or 'ply' in m.lower() or 'export' in m.lower()]}")
+        print(f"DEBUG: lhm methods with gs/mesh/ply: {[m for m in dir(lhm) if 'gs' in m.lower() or 'mesh' in m.lower() or 'ply' in m.lower() or 'export' in m.lower() or 'animation_infer' in m.lower()]}")
 
         # PLY export disabled for now - debugging
         dump_model_path = None