fix quotaion for older python version

Author: KatHaruto

src/agents/models/openai_chatcompletions.py

@@ -75,11 +75,11 @@ async def get_response(
             else:
                 logger.debug(
                     "LLM resp:\n",
-                    f"{json.dumps(
+                    f"""{json.dumps(
                         response.choices[0].message.model_dump(),
                         indent=2,
                         ensure_ascii=False
-                    )}\n"
+                    )}\n"""
                 )
 
             usage = (

src/agents/models/openai_responses.py

@@ -89,11 +89,11 @@ async def get_response(
                 else:
                     logger.debug(
                         "LLM resp:\n"
-                        f"{json.dumps(
+                        f"""{json.dumps(
                             [x.model_dump() for x in response.output],
                             indent=2,
                             ensure_ascii=False
-                        )}\n"
+                        )}\n"""
                     )
 
                 usage = (