fix data base

bd/tables/choice.py

@@ -0,0 +1,16 @@
+from sqlalchemy import Column, String, Integer, ForeignKey
+from sqlalchemy.dialects.postgresql import UUID
+from .simple_base import Base
+import uuid
+
+
+class Choice(Base):
+    __tablename__ = "choices"
+
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    question_id = Column(UUID(as_uuid=True), ForeignKey("questions.id", ondelete="CASCADE"), nullable=False)
+    text = Column(String(500), nullable=False)
+    position = Column(Integer, nullable=True)
+
+
+__all__ = ["Base", "Choice"]