initial

app.py

@@ -138,7 +138,8 @@ def generate(features, image, structure, reference, model, temperature):
                              \n\n {features + detected_features} \n{intended_use} \nReference structure: {structure}\n Reference text: {reference}""")]
     chat_response = chat.invoke(messages, temperature=temperature)
     print(messages[0].content)
-    return chat_response.content + '\n\n### Alt text\n\n' + '\n- ' + '\n- '.join(alt_texts) + '\n'.join([f'![Product photo](data:image/png;base64,{base64_image} "{alt_text}")' if base64_image != "" else "" for (base64_image, alt_text) in zip(base64_images, alt_texts)])
+    alt_texts_str = '\n\n### Alt text\n\n' + '\n- ' + '\n- '.join(alt_texts) if len(alt_texts) > 0 else ""
+    return chat_response.content + alt_texts_str + '\n'.join([f'![Product photo](data:image/png;base64,{base64_image} "{alt_text}")' if base64_image != "" else "" for (base64_image, alt_text) in zip(base64_images, alt_texts)])
 
 
 demo = gr.Interface(