Update QnA.py

QnA.py

@@ -67,7 +67,7 @@ def Q_A(vectorstore,question,API_KEY):
         os.environ["GROQ_API_KEY"] = API_KEY
         chat_llm = ChatGroq(model="llama3-8b-8192")
     elif API_KEY.startswith('hf'):
-        chat_llm = get_hugging_face_model(API_key=API_KEY)
+        chat_llm = get_hugging_face_model(api_key=API_KEY)
     
     # Create a retriever
     retriever = vectorstore.as_retriever(search_type = 'similarity',search_kwargs = {'k':2},)