From 689885ffa4564d3a0db942728f341f60f20db9a8 Mon Sep 17 00:00:00 2001
From: Maruo <43961566+maru0123-2004@users.noreply.github.com>
Date: Thu, 6 Oct 2022 11:20:53 +0900
Subject: [PATCH] Update main.py

---
 sqlmodel/main.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sqlmodel/main.py b/sqlmodel/main.py
index 64bad15..de09796 100644
--- a/sqlmodel/main.py
+++ b/sqlmodel/main.py
@@ -148,7 +148,7 @@ def Field(
     unique: bool = False,
     nullable: Union[bool, UndefinedType] = Undefined,
     index: Union[bool, UndefinedType] = Undefined,
-    sa_type: Type[Any],
+    sa_type: Type[Any] = Undefined,
     sa_column: Union[Column, UndefinedType] = Undefined,  # type: ignore
     sa_column_args: Union[Sequence[Any], UndefinedType] = Undefined,
     sa_column_kwargs: Union[Mapping[str, Any], UndefinedType] = Undefined,