Add the missing model_choice in the definition of url examples.

app.py

@@ -267,7 +267,7 @@ examples_url = [
     ['https://hips.hearstapps.com/hmg-prod/images/gettyimages-1229892983-square.jpg'],
 ]
 for idx_example_url, example_url in enumerate(examples_url):
-    examples_url[idx_example_url].append('1024x1024')
+    examples_url[idx_example_url] = examples_url[idx_example_url] + ['1024x1024', 'General']
 
 descriptions = ('Upload a picture, our model will extract a highly accurate segmentation of the subject in it.\n)'
                  ' The resolution used in our training was `1024x1024`, which is the suggested resolution to obtain good results! `2048x2048` is suggested for BiRefNet_HR.\n'

app_local.py

@@ -263,7 +263,7 @@ examples_url = [
     ['https://hips.hearstapps.com/hmg-prod/images/gettyimages-1229892983-square.jpg'],
 ]
 for idx_example_url, example_url in enumerate(examples_url):
-    examples_url[idx_example_url].append('1024x1024')
+    examples_url[idx_example_url] = examples_url[idx_example_url] + ['1024x1024', 'General']
 
 descriptions = ('Upload a picture, our model will extract a highly accurate segmentation of the subject in it.\n)'
                  ' The resolution used in our training was `1024x1024`, which is the suggested resolution to obtain good results! `2048x2048` is suggested for BiRefNet_HR.\n'