fix support for Message ctor with None msg

nonebot · Aug 24, 2021 · 317cd52 · 317cd52 · cleoold · Aug 24, 2021
1 parent 1489b47
commit 317cd52
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/aiocqhttp/message.py b/aiocqhttp/message.py
@@ -402,7 +402,7 @@ class Message(list):
 
     def __init__(self, msg: Any = None, *args, **kwargs):
         """
-        - ``msg``: 要转换为 `Message` 对象的字符串、列表或字典。
+        - ``msg``: 要转换为 `Message` 对象的字符串、列表或字典。不传入则构造空消息。
 
         当 ``msg`` 不能识别时，抛出 ``ValueError``。
         """
@@ -411,7 +411,7 @@ def __init__(self, msg: Any = None, *args, **kwargs):
             self.extend(msg)
         elif isinstance(msg, dict):
             self.append(msg)
-        else:
+        elif msg is not None:
             raise ValueError('the msg argument is not recognized')
 
     @staticmethod

diff --git a/docs/changelog.md b/docs/changelog.md
@@ -3,6 +3,7 @@
 ## master
 
 - 修复从 `str` 构造 `Message` 时无法正确去转义参数 [#57](https://github.com/nonebot/aiocqhttp/issues/57)
+- 修复无法构造空 `Message` 的问题
 
 ## v1.4.1