Update pages/2_🧠_context_aware_chatbot.py

pages/2_🧠_context_aware_chatbot.py

@@ -10,6 +10,9 @@ from langchain.chains.conversational_retrieval.base import ConversationalRetriev
 from langchain.prompts import PromptTemplate
 from langchain_community.document_loaders import TextLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
+from google.colab import userdata
+from langchain_chroma import Chroma
+from langchain_openai import OpenAIEmbeddings
 
 st.set_page_config(page_title="Context aware chatbot", page_icon="🧠")
 st.header('Context aware chatbot')