Changed chroma import

app.py

@@ -4,7 +4,7 @@ from langchain_community.embeddings import HuggingFaceEmbeddings
 from langchain.schema import HumanMessage
 from langchain.document_loaders import UnstructuredFileLoader
 #from langchain_community.document_loaders import UnstructuredFileLoader
-from langchain_chroma import Chroma
+from langchain_community.vectorstores import Chroma
 from langchain_groq import ChatGroq
 import gradio as gr