fix error

confluence_qa.py

@@ -1,7 +1,7 @@
 from langchain.document_loaders import ConfluenceLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter,TokenTextSplitter
 from transformers import AutoTokenizer, AutoModelForSeq2SeqLM,pipeline
-from langchain import HuggingFacePipeline
+from langchain.llms.huggingface_pipeline import HuggingFacePipeline
 from langchain.prompts import PromptTemplate
 from langchain.chains import RetrievalQA
 from langchain.embeddings import HuggingFaceEmbeddings

requirements.txt

@@ -9,4 +9,5 @@ pytesseract
 reportlab 
 Pillow 
 svglib 
-tiktoken
+tiktoken
+beautifulsoup4