From cfc99766fc9fc4f05c57c45487bea319e96e1eba Mon Sep 17 00:00:00 2001
From: Frost Ming <me@frostming.com>
Date: Fri, 22 Sep 2023 09:03:44 +0800
Subject: [PATCH] fix: error when overwriting a sub table

Fix #313

Signed-off-by: Frost Ming <me@frostming.com>
---
 CHANGELOG.md     | 4 ++++
 tomlkit/items.py | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c6a2b8d..a1bd730 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed a bug that overwriting a sub table with a plain value raises an error. ([#313](https://github.com/sdispater/tomlkit/issues/313))
+
 ## [0.12.2] - 2023-09-20
 
 ### Fixed
diff --git a/tomlkit/items.py b/tomlkit/items.py
index f6346ac..31f63f8 100644
--- a/tomlkit/items.py
+++ b/tomlkit/items.py
@@ -1945,7 +1945,7 @@ class Null(Item):
     """
 
     def __init__(self) -> None:
-        pass
+        super().__init__(Trivia(trail=""))
 
     def unwrap(self) -> None:
         return None