Update app.py

app.py

@@ -24,7 +24,7 @@ def make_inference(query, openai_key=""):
     docsearch = Chroma.from_texts(texts, embeddings, metadatas=[{"source": str(i)} for i in range(len(texts))]).as_retriever()
     chain = load_qa_chain(OpenAI(temperature=0), chain_type="refine")
     docs = docsearch.get_relevant_documents(query)
-    chain({"input_documents": docs, "question": query}, return_only_outputs=True)
+    return chain({"input_documents": docs, "question": query}, return_only_outputs=True)
 
 if __name__ == "__main__":
     # make a gradio interface