Update app.py

app.py

@@ -98,7 +98,7 @@ if uploaded_file is not None:
 
 st.write("## Examples")
 cols = st.columns(3)
-for idx,model_variant, captcha_path in enumerate(example_captchas.items()):
+for idx,(model_variant,captcha_path) in enumerate(example_captchas.items()):
     col = cols[idx % 3]
     col.image(captcha_path,caption=f'Model {model_variant}: {captcha_path.split("/")[-1]}', width=100)
     col.write(f"Model Version: {model_variant}")