A bas workaround for adding a node to pipeline

app.py

@@ -26,9 +26,9 @@ Caption:
 """)
 
 hf_api_key = os.environ["HF_API_KEY"]
-captioning_pipeline = Pipeline()
 
 def generate_caption(image_file_paths, model_name):
+    captioning_pipeline = Pipeline()
     prompt_node = PromptNode(model_name_or_path=model_name, api_key=hf_api_key, default_prompt_template=prompt_template, model_kwargs={"trust_remote_code":True})
     captioning_pipeline.add_node(component=image_to_text, name="image_to_text", inputs=["File"])
     captioning_pipeline.add_node(component=prompt_node, name="prompt_node", inputs=["image_to_text"])