Update app.py

app.py

@@ -6,7 +6,10 @@ import io
 
 def modify_texture():
     # Load the GLB file
-    mesh = trimesh.load_mesh("train.glb", force = 'mesh')
+    mesh = trimesh.load_mesh("train.glb")
+    geometries = list(scene.geometry.values())
+    geometry = geometries[0]
+    adjacency_matrix = geometry.edges_sparse
     
     # Open the texture image
     im = Image.open("defect.jpg")
@@ -15,7 +18,7 @@ def modify_texture():
     material = trimesh.visual.texture.SimpleMaterial(image=im)
     
     # Get the uv coordinates from the mesh
-    uv = mesh.visual.uv
+    uv = adjacency_matrix.visual.uv
     
     # Create TextureVisuals with the uv coordinates and the texture image
     color_visuals = trimesh.visual.TextureVisuals(uv=uv, image=im, material=material)