Update app.py

app.py

@@ -15,11 +15,11 @@ from fastapi.responses import JSONResponse
 from utils.DocsLoader import load_and_chunk
 from utils.Schemas import RunRequest, RunResponse
 # from concurrent.futures import ThreadPoolExecutor
-from langchain_community.vectorstores import FAISS
+# from langchain_community.vectorstores import FAISS
 from langchain.schema import Document
 from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain_huggingface import HuggingFaceEmbeddings # Correct new import
-# from langchain_chroma import Chroma
+from langchain_chroma import Chroma
 from langchain_community.retrievers import BM25Retriever
 from langchain.retrievers import EnsembleRetriever, ContextualCompressionRetriever
 from langchain.retrievers.document_compressors import CrossEncoderReranker
@@ -150,7 +150,7 @@ async def run_hackrx(req: RunRequest):
         
     ####code for parallel####################################################################################
 
-    vectorstore = await FAISS.afrom_documents(
+    vectorstore = await Chroma.afrom_documents(
         documents=chunks, 
         embedding=ml_models["embedder"]
     )