[HOTFIX] Fix the bug in ReAct agent (agentscope-ai#634)

Author: DavdGao

src/agentscope/agents/_react_agent.py

@@ -181,7 +181,7 @@ def _reasoning(self) -> Union[ToolUseBlock, None]:
 
             return ToolUseBlock(
                 type="tool_use",
-                id=uuid,
+                id=uuid(),
                 name=function_name,
                 input=input_,
             )

src/agentscope/message/block.py

@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # pylint: disable=too-many-ancestors
 """The content blocks of messages"""
-from typing import Literal, Union
-from typing_extensions import TypedDict, Required, Optional
+from typing import Literal, Union, Optional
+from typing_extensions import TypedDict, Required
 
 
 class ToolUseBlock(TypedDict, total=False):