Update app.py

app.py

@@ -3,6 +3,8 @@ from pygltflib import GLTF2, Texture, Image
 import base64
 import io
 
+import tempfile
+
 def modify_texture():
     # Load the GLB file
     glb = GLTF2().load("train.glb")
@@ -22,12 +24,18 @@ def modify_texture():
         default_texture = Texture(source=len(glb.images)-1)
         glb.textures.append(default_texture)
 
-    # Save the modified GLB to a temporary file and return it
-    output_file = io.BytesIO()
-    glb.save(output_file)
-    output_file.seek(0)
+    # Save the modified GLB to a temporary file
+    with tempfile.NamedTemporaryFile(suffix=".glb", delete=False) as tmp_file:
+        tmp_filename = tmp_file.name
+        glb.save(tmp_filename)
+
+    # Read the temporary file back into memory as BytesIO
+    with open(tmp_filename, "rb") as tmp_file:
+        output_file = io.BytesIO(tmp_file.read())
+
     return output_file
 
+
 gr.Interface(
     fn=modify_texture,
     inputs=[],