Update app.py

app.py

@@ -5,6 +5,8 @@ from langchain.embeddings import OpenAIEmbeddings
 from langchain.vectorstores import Chroma
 from langchain.chains import RetrievalQA
 
+pip install streamlit langchain openai chromadb tiktoken
+
 def generate_response(uploaded_file, openai_api_key, query_text):
     # Load document if file is uploaded
     if uploaded_file is not None: