[misc] upgrade format to py39 (#7256)

tests/data/test_formatter.py

@@ -112,7 +112,8 @@ def test_glm4_tool_formatter():
     assert formatter.apply(content=json.dumps(TOOLS)) == [
         "你是一个名为 ChatGLM 的人工智能助手。你是基于智谱AI训练的语言模型 GLM-4 模型开发的，"
         "你的任务是针对用户的问题和要求提供适当的答复和支持。# 可用工具\n\n"
-        f"## test_tool\n\n{json.dumps(TOOLS[0], indent=4, ensure_ascii=False)}\n在调用上述函数时，请使用 Json 格式表示调用的参数。"
+        f"## test_tool\n\n{json.dumps(TOOLS[0], indent=4, ensure_ascii=False)}\n"
+        "在调用上述函数时，请使用 Json 格式表示调用的参数。"
     ]
 
 
@@ -136,7 +137,8 @@ def test_llama3_tool_formatter():
     wrapped_tool = {"type": "function", "function": TOOLS[0]}
     assert formatter.apply(content=json.dumps(TOOLS)) == [
         f"Cutting Knowledge Date: December 2023\nToday Date: {date}\n\n"
-        "You have access to the following functions. To call a function, please respond with JSON for a function call. "
+        "You have access to the following functions. "
+        "To call a function, please respond with JSON for a function call. "
         """Respond in the format {"name": function name, "parameters": dictionary of argument name and its value}. """
         f"Do not use variables.\n\n{json.dumps(wrapped_tool, indent=4, ensure_ascii=False)}\n\n"
     ]