Update app.py

app.py

@@ -7,7 +7,7 @@ import numpy as np
 import joblib
 import spacy
 from transformers import pipeline
-from langchain_core.pydantic_v1 import BaseModel, Field
+from langchain_core.pydantic import BaseModel, Field
 from langchain.prompts import HumanMessagePromptTemplate, ChatPromptTemplate
 from langchain.output_parsers import PydanticOutputParser
 from langchain_openai import ChatOpenAI