Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
8 months ago · e5d7b3e56e
parent 909e4f604c
commit e5d7b3e56e
1 changed files with 1 additions and 1 deletions
--- a/api/models/account.py
+++ b/api/models/account.py
@ -272,7 +272,7 @@ class InvitationCode(Base):
    batch: Mapped[str] = mapped_column(db.String(255))
    code: Mapped[str] = mapped_column(db.String(32))
    status: Mapped[str] = mapped_column(db.String(16), server_default=db.text("'unused'::character varying"))
-    used_at: Mapped[datetime] = mapped_column(db.DateTime)
+    used_at: Mapped[Optional[datetime]] = mapped_column(db.DateTime)
    used_by_tenant_id: Mapped[Optional[str]] = mapped_column(StringUUID)
    used_by_account_id: Mapped[Optional[str]] = mapped_column(StringUUID)
    deprecated_at: Mapped[Optional[datetime]] = mapped_column(db.DateTime, nullable=True)