first commit

app.py

@@ -59,7 +59,7 @@ def create_knowledge_base(chunks, api_key=None):
 
 def answer_question(question, knowledge_base, model):
     docs = knowledge_base.similarity_search(question)
-    llm = model(model_name="gpt-3.5-turbo")
+    llm = model(model_name="gpt-3.5-turbo", open_api_key=st.session_state.api_key)
     chain = load_qa_chain(llm, chain_type="stuff")
     with get_openai_callback() as cb:
         response = chain.run(input_documents=docs, question=question)