Update functions.py

functions.py

@@ -7,7 +7,7 @@ from langchain_qdrant import QdrantVectorStore
 from langchain_qdrant import RetrievalMode
 from langchain_core.prompts.chat import ChatPromptTemplate
 from langchain_core.prompts import PromptTemplate
-from langchain_core.pydantic_v1 import BaseModel, Field
+from pydantic import BaseModel, Field
 from langchain_core.output_parsers import StrOutputParser, JsonOutputParser
 from langchain_core.runnables.history import RunnableWithMessageHistory
 from langchain.memory import ChatMessageHistory