Update vector_store_retriever.py

vector_store_retriever.py

@@ -12,7 +12,7 @@ from langchain.llms.base import LLM
 #from langchain_core.embeddings import EmbeddingFunction, Embeddings
 
 from langchain.embeddings import HuggingFaceInstructEmbeddings
-from langchain import [all]
+#from langchain import [all]
 #from langchain.Documents import Documents
 from langchain.vectorstores import Chroma
 from dotenv import load_dotenv