fix: pre-commit

Author: fred913

app/agent/toolcall.py

@@ -10,6 +10,7 @@
 from app.schema import TOOL_CHOICE_TYPE, AgentState, Message, ToolCall, ToolChoice
 from app.tool import CreateChatCompletion, Terminate, ToolCollection
 
+
 TOOL_CALL_REQUIRED = "Tool calls required but none provided"