Update app.py

app.py

@@ -9,7 +9,7 @@ if hf_api_key:
     print(f"API Key Loaded: {hf_api_key}")
 else:
     print("API Key not found. Please check your Hugging Face secrets.")
-
+    
 from haystack.components.generators.chat import HuggingFaceAPIChatGenerator
 from haystack.components.builders.chat_prompt_builder import ChatPromptBuilder
 from haystack.dataclasses import ChatMessage
@@ -42,8 +42,6 @@ hf_api_key = os.environ["HF_API_KEY"]
 
 def generate_caption(image_file_path, model_name):
     image_to_text = ImageCaptioner(model_name="Salesforce/blip-image-captioning-base")
-
-    prompt_template = [ChatMessage.from_user(full_prompt_text)]
     prompt_builder = ChatPromptBuilder(template=prompt_template, required_variables="*")
     generator = HuggingFaceAPIChatGenerator(
         api_type="serverless_inference_api", 
@@ -71,7 +69,6 @@ with gr.Blocks(theme="soft") as demo:
                 value="deepseek-ai/DeepSeek-V3.1-Terminus", 
                 label="Choose your model!"
                 )
-                
             gr.Examples(["./whale.png", "./rainbow.jpeg", "./selfie.png"], inputs=image, label="Click on any example") 
     submit_btn = gr.Button("✨ Captionate ✨")
     caption = gr.Textbox(label="Caption", show_copy_button=True)