Update chatbot_rag.py

chatbot_rag.py

@@ -1,7 +1,7 @@
 from langchain_community.vectorstores import Chroma
 from langchain_community.embeddings import HuggingFaceEmbeddings
 from langchain_community.llms import HuggingFacePipeline
-from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
+from transformers import AutoTokenizer, AutoModelForSeq2SeqLM, AutoModelForCausalLM, pipeline
 from langchain.prompts import PromptTemplate
 from langchain_core.runnables import RunnablePassthrough
 from langchain_core.output_parsers import StrOutputParser