update

app.py

@@ -149,6 +149,8 @@ def rag_pipeline(prompt, index="pubmed", num_docs=3, model_name="HuggingFaceH4/z
         print('HF_RESPONSE', hf_response)
         response = hf_response[0]['generated_text']
     
+    model = tokenizer = None
+
     analysed_response = analyse(joined_docs, response)
 
     # Return the generated text and the documents