Update app.py

from langchain_huggingface import HuggingFaceEmbeddings

app.py

@@ -13,9 +13,10 @@ from langchain_core.runnables import RunnableLambda, RunnablePassthrough
 from langchain_core.output_parsers import StrOutputParser
 from langchain_together import ChatTogether
 from langchain_community.vectorstores import Chroma
-from langchain_community.embeddings import HuggingFaceEmbeddings
 from sentence_transformers import SentenceTransformer
 from nltk.tokenize import sent_tokenize
+from langchain_huggingface import HuggingFaceEmbeddings
+
 
 # Download NLTK resources
 nltk.download('punkt')