Update app.py

app.py

@@ -16,8 +16,8 @@ from langgraph.graph import StateGraph, END
 from langchain_groq import ChatGroq
 #from langchain_huggingface.embeddings import HuggingFaceEmbeddings
 from langchain_community.embeddings import HuggingFaceEmbeddings
-#from langchain_community.vectorstores import Chroma
-from langchain_chroma import Chroma
+from langchain_community.vectorstores import Chroma
+#from langchain_chroma import Chroma    #cant work
 from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain_core.documents import Document