Some minor changes.

app.py

@@ -36,13 +36,15 @@ llm=OpenAI(temperature=0.7,max_tokens=1000)
 print(f'Done with loading and Indexing')
 
 def procdata(name):
-    query = "Name the negatively charged particles emitted from the cathode in the cathode ray tube?"
-    docs = docsearch.similarity_search(query)
+    # query = "Name the negatively charged particles emitted from the cathode in the cathode ray tube?"
+    # docs = docsearch.similarity_search(query)
     print(f'Start Processing ... --> {name}')
-    chain = load_qa_chain(llm, chain_type="refine")
-    response = chain({"input_documents": docs[:3], "question": query}, return_only_outputs=True)
-    print(f'End Processing ... --> {response}')
-    return response
+    # chain = load_qa_chain(llm, chain_type="refine")
+    # response = chain({"input_documents": docs[:3], "question": query}, return_only_outputs=True)
+    # result=response['output_text'].replace('\n','')
+    # print(f"End Processing ... --> {result}")
+    # return result
+    return 'Done'
 
 iface = gr.Interface(fn=procdata, inputs="text", outputs="text",enable_queue=True)
 iface.launch()