Fix: default field generation

backend/model/student.py

@@ -1,10 +1,9 @@
 from __future__ import annotations
 
-import uuid
-from dataclasses import dataclass
+from dataclasses import dataclass, field
+from datetime import datetime
 from typing import TYPE_CHECKING, Optional
-
-from pydantic import Field
+from uuid import UUID, uuid4
 
 if TYPE_CHECKING:
     from backend.model.tribe import Tribe
@@ -14,7 +13,7 @@ if TYPE_CHECKING:
 class Student:
     name: str
     tribe: Tribe
-    id: Optional[str] = Field(default_factory=lambda: str(uuid.uuid1()))
+    id: str = field(default_factory=lambda: str(uuid4()))
 
     def __post_init__(self) -> None:
         self.tribe.register_student(self)
@@ -26,3 +25,9 @@ class Student:
 
     def __hash__(self) -> int:
         return hash(self.id)
+
+    def to_tuple(self) -> tuple:
+        return (self.id, self.name, self.tribe.name)
+
+    def to_dict(self) -> dict:
+        return {"id": self.id, "name": self.name, "tribe_name": self.tribe.name}