Y avait un warning au build

million/model/message.py

 from datetime import datetime
 from typing import Any, List
 from uuid import uuid4
-from pydantic import BaseModel, Field, PrivateAttr, computed_field, validator
+from pydantic import BaseModel, Field, PrivateAttr, computed_field, field_validator
 
 
 class Reaction(BaseModel):
     def item_id(self) -> str:
         return self._id
 
-    @validator("date_time", pre=True, always=True)
+    @field_validator("date_time")
     def parse_timestamp(cls, v):
         if isinstance(v, int):
             return datetime.fromtimestamp(v / 1000)