Update app.py

app.py

@@ -21,7 +21,17 @@ from streamlit_chat import message
 from streamlit_option_menu import option_menu
 import json
 import streamlit.components.v1 as components
-from pydantic import BaseModel, PydanticUserError, model_serializer
+from pydantic import BaseModel, model_validator
+
+class VotreModele(BaseModel):
+    champ1: str
+    champ2: int
+
+    @model_validator(pre=False, skip_on_failure=True)
+    def validate_something(cls, values):
+        # Votre logique de validation ici
+        return values
+
 with st.sidebar:
     sidebar_selection = option_menu(" Menu", ['Question Answering','json' ],
         icons=['bi bi-patch-question-fill','bi bi-filetype-json'], menu_icon="cast", default_index=1)