Update app.py

app.py

@@ -11,7 +11,7 @@ def run_query(query, chat_history, k, temperature,openai_api_key):
     load_dotenv()
     persist_directory = 'db'
 
-    db = Chroma(persist_directory=persist_directory, embedding_function=OpenAIEmbeddings())  # access db
+    db = Chroma(persist_directory=persist_directory, embedding_function=OpenAIEmbeddings(openai_api_key=openai_api_key))  # access db
     retriever = db.as_retriever(search_kwargs={"k": k})  # kwargs determines how many docs it uses
 
     llm = OpenAI(api_key=openai_api_key, max_tokens=1500, temperature=temperature)  # api key self explanatory. max_tokens provides how long of a response