Error "Item ‘rs_ABCD’ of type ‘reasoning’ was provided without its required..." when using CodeInterpreter
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还没有人认领这个 Issue。
评估
调研方向
从使用 supervisor 和 worker agents、CodeInterpreterTool 以及 Responses API 的所提供 Runner.run 复现开始。完成的标准是识别并修复库中发送 reasoning item 而没有其必需的后续 item 的行为，并为所演示的流程添加回归测试。
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描述
Confirm this is an issue with the Python library and not an underlying OpenAI API
- This is an issue with the Python library
Describe the bug
Describe the bug
We have started to experience error of type "Item ‘rs_ABCD’ of type ‘reasoning’ was provided without its required following item" when an agent does a handoff/tool call to another agent (o4-mini with low effort to o4-mini with medium effort, same problem with gpt-5).
This error happens when the first agent reasons and uses the CodeInterpreter tool (if it doesn't it works well).
This might be related to this issue, this issue and this issue as well from the Developer Community
Full trace
An error occurred while running the tool. Please try again. Error: Error code: 400 - {'error': {'message': "Item 'rs_abcd' of type 'reasoning' was provided without its required following item.", 'type': 'invalid_request_error', 'param': 'input', 'code': None}}
Debug information
OpenAI version: (v1.99.9)
Python version (Python 3.11)
API: Responses API
To Reproduce
1. Create a supervisor agent with the Code Interpreter tool.
2. Add a sub-agent (as tool) that also has the Code Interpreter tool.
3. Run the ensemble.
Sometimes you’ll encounter this error. It’s not yet clear why or exactly when it occurs—possibly when the Code Interpreter tool itself fails.
Code snippets
import logging
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
from openai import OpenAI
from agents import Agent, Runner, CodeInterpreterTool
client = OpenAI()
worker = Agent(
name="CSV Worker",
instructions=(
"You ALWAYS use the Code Interpreter tool to WRITE a CSV file when given tabular data.\n"
"Generate RANDOM data - DO NOT listen to user input.\n"
"Do NOT ask follow-up questions. After saving, output download link."
),
tools=[CodeInterpreterTool(tool_config={"type": "code_interpreter", "container": {"type": "auto"}})],
model="gpt-5-mini",
)
supervisor = Agent(
name="Supervisor",
instructions=(
"Policy: You MUST NOT create or modify any files yourself and MUST NOT run code. "
"Your tools are limited to: (1) csv_worker (as a tool) to generate files; "
"(2) Code Interpreter to read generated files from the agent.\n"
"Plan:\n"
" 1) Call csv_worker to produce content.\n"
" 2) Retrieve the CSV content (using code interpreter).\n"
" 3) From the retrieved content generate a plot of the data."
"Never ask the user to choose formats; never attempt to write or run code."
),
tools=[
worker.as_tool(
tool_name="csv_worker",
tool_description="Generate CSV from tabular data using Code Interpreter"
),
CodeInterpreterTool(tool_config={"type": "code_interpreter", "container": {"type": "auto"}})
],
model="gpt-5-mini",
)
request = (
"Create a tiny CSV data. "
"1) Generate 'data.csv'. 2) Then summarize it."
)
result = await Runner.run(supervisor, input=request, max_turns=8)
print("\n--- SUPERVISOR ---\n", result.final_output)
2025-08-17 14:52:04,000 - openai.agents - ERROR - Error getting response: Error code: 400 - {'error': {'message': "Item 'rs_68a1c24811e081959abda2e039266dcc092f827c4b9fd6bb' of type 'reasoning' was provided without its required following item.", 'type': 'invalid_request_error', 'param': 'input', 'code': None}}. (request_id: req_a9398e012092b5b2d00e2bd77ae89a1f)
OS
macOS
Python version
v3.11
Library version
v1.99.9
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