Update app.py

app.py

@@ -40,4 +40,11 @@ chain = load_qa_chain(OpenAI(), chain_type="stuff")
 
 query = "“Can you give me an example from history where the enemy was crushed totallyfrom the book?"
 docs = docsearch.similarity_search(query)
-chain.run(input_documents=docs, question=query)
+chain.run(input_documents=docs, question=query)
+
+
+def greet():
+  return "Hello"
+
+iface = gr.Interface(fn=greet, inputs="text", outputs="text")
+iface.launch()