Failed to run code-interpreter example

[rochiechan99-collab]

Follow the steps in examples/code-interpreter/README.md, and get an error:"httpcore.RemoteProtocolError: peer closed connection without sending complete message body (incomplete chunked read)".

2026-04-02 15:44:06,886 - opensandbox.sandbox - INFO - sandbox.py:449 - Creating sandbox with image: sandbox-registry.cn-zhangjiakou.cr.aliyuncs.com/opensandbox/code-interpreter:v1.0.2 (timeout: 600.0s)
2026-04-02 15:44:06,887 - opensandbox.adapters.sandboxes_adapter - INFO - sandboxes_adapter.py:124 - Creating sandbox with image: sandbox-registry.cn-zhangjiakou.cr.aliyuncs.com/opensandbox/code-interpreter:v1.0.2
INFO: 2026-04-02 15:44:06+0800 [386b12cd414c4cb3bc88d7c93f3fbb6f] opensandbox_server.services.docker: sandbox=efd83915-5979-4578-a621-0f39afc8dc45 | action=inspect image sandbox-registry.cn-zhangjiakou.cr.aliyuncs.com/opensandbox/code-interpreter:v1.0.2 | duration=4.63
INFO: 2026-04-02 15:44:06+0800 [386b12cd414c4cb3bc88d7c93f3fbb6f] opensandbox_server.services.docker: sandbox=efd83915-5979-4578-a621-0f39afc8dc45 | action=create sandbox container | duration=55.18
INFO: 2026-04-02 15:44:07+0800 [386b12cd414c4cb3bc88d7c93f3fbb6f] opensandbox_server.services.docker: sandbox=efd83915-5979-4578-a621-0f39afc8dc45 | action=ensure directory /opt/opensandbox | duration=121.12
INFO: 2026-04-02 15:44:07+0800 [386b12cd414c4cb3bc88d7c93f3fbb6f] opensandbox_server.services.docker: sandbox=efd83915-5979-4578-a621-0f39afc8dc45 | action=copy execd archive to sandbox | duration=176.73
INFO: 2026-04-02 15:44:07+0800 [386b12cd414c4cb3bc88d7c93f3fbb6f] opensandbox_server.services.docker: sandbox=efd83915-5979-4578-a621-0f39afc8dc45 | action=ensure directory /opt/opensandbox | duration=122.11
INFO: 2026-04-02 15:44:07+0800 [386b12cd414c4cb3bc88d7c93f3fbb6f] opensandbox_server.services.docker: sandbox=efd83915-5979-4578-a621-0f39afc8dc45 | action=install bootstrap script | duration=126.47
INFO: 2026-04-02 15:44:08+0800 [386b12cd414c4cb3bc88d7c93f3fbb6f] opensandbox_server.services.docker: sandbox=efd83915-5979-4578-a621-0f39afc8dc45 | action=start sandbox container | duration=798.26
INFO: 2026-04-02 15:44:08+0800 [-] uvicorn.access: 127.0.0.1:53888 - "POST /v1/sandboxes HTTP/1.1" 202
2026-04-02 15:44:08,317 - httpx - INFO - _client.py:1740 - HTTP Request: POST http://localhost:8080/v1/sandboxes "HTTP/1.1 202 Accepted"
2026-04-02 15:44:08,320 - opensandbox.adapters.sandboxes_adapter - INFO - sandboxes_adapter.py:152 - Successfully created sandbox: efd83915-5979-4578-a621-0f39afc8dc45
INFO: 2026-04-02 15:44:08+0800 [-] uvicorn.access: 127.0.0.1:53888 - "GET /v1/sandboxes/efd83915-5979-4578-a621-0f39afc8dc45/endpoints/44772?use_server_proxy=false HTTP/1.1" 200
2026-04-02 15:44:08,335 - httpx - INFO - _client.py:1740 - HTTP Request: GET http://localhost:8080/v1/sandboxes/efd83915-5979-4578-a621-0f39afc8dc45/endpoints/44772?use_server_proxy=false "HTTP/1.1 200 OK"
INFO: 2026-04-02 15:44:08+0800 [-] uvicorn.access: 127.0.0.1:53888 - "GET /v1/sandboxes/efd83915-5979-4578-a621-0f39afc8dc45/endpoints/18080?use_server_proxy=false HTTP/1.1" 200
2026-04-02 15:44:08,349 - httpx - INFO - _client.py:1740 - HTTP Request: GET http://localhost:8080/v1/sandboxes/efd83915-5979-4578-a621-0f39afc8dc45/endpoints/18080?use_server_proxy=false "HTTP/1.1 200 OK"
2026-04-02 15:44:08,357 - opensandbox.sandbox - INFO - sandbox.py:331 - Waiting for sandbox efd83915-5979-4578-a621-0f39afc8dc45 to pass health check (timeout: 30.0s)
2026-04-02 15:44:08,364 - httpx - INFO - _client.py:1740 - HTTP Request: GET http://127.0.0.1:53861/proxy/44772/ping "HTTP/1.1 200 OK"
2026-04-02 15:44:08,366 - opensandbox.sandbox - INFO - sandbox.py:346 - Sandbox efd83915-5979-4578-a621-0f39afc8dc45 passed health check after 1 attempts
2026-04-02 15:44:08,366 - opensandbox.sandbox - INFO - sandbox.py:494 - Sandbox efd83915-5979-4578-a621-0f39afc8dc45 is ready
2026-04-02 15:44:08,366 - code_interpreter.code_interpreter - INFO - code_interpreter.py:199 - Creating code interpreter from sandbox: efd83915-5979-4578-a621-0f39afc8dc45
INFO: 2026-04-02 15:44:08+0800 [-] uvicorn.access: 127.0.0.1:53888 - "GET /v1/sandboxes/efd83915-5979-4578-a621-0f39afc8dc45/endpoints/44772?use_server_proxy=false HTTP/1.1" 200
2026-04-02 15:44:08,380 - httpx - INFO - _client.py:1740 - HTTP Request: GET http://localhost:8080/v1/sandboxes/efd83915-5979-4578-a621-0f39afc8dc45/endpoints/44772?use_server_proxy=false "HTTP/1.1 200 OK"
2026-04-02 15:44:08,382 - code_interpreter.code_interpreter - INFO - code_interpreter.py:209 - Code interpreter efd83915-5979-4578-a621-0f39afc8dc45 created successfully

=== CodeInterpreter created! ===
2026-04-02 15:44:08,388 - httpx - INFO - _client.py:1740 - HTTP Request: POST http://127.0.0.1:53861/proxy/44772/code "HTTP/1.1 200 OK"
2026-04-02 15:44:16,125 - code_interpreter.adapters.code_adapter - ERROR - code_adapter.py:337 - Failed to run code (length: 107)
Traceback (most recent call last):
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_transports/default.py", line 101, in map_httpcore_exceptions
yield
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_transports/default.py", line 271, in aiter
async for part in self._httpcore_stream:
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/connection_pool.py", line 407, in aiter
raise exc from None
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/connection_pool.py", line 403, in aiter
async for part in self._stream:
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/http11.py", line 342, in aiter
raise exc
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/http11.py", line 334, in aiter
async for chunk in self._connection._receive_response_body(**kwargs):
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/http11.py", line 203, in _receive_response_body
event = await self._receive_event(timeout=timeout)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/http11.py", line 213, in _receive_event
with map_exceptions({h11.RemoteProtocolError: RemoteProtocolError}):
File "/home/.pyenv/versions/3.11.7/lib/python3.11/contextlib.py", line 158, in exit
self.gen.throw(typ, value, traceback)
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_exceptions.py", line 14, in map_exceptions
raise to_exc(exc) from exc
httpcore.RemoteProtocolError: peer closed connection without sending complete message body (incomplete chunked read)

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/code/OpenSandbox/sdks/code-interpreter/python/src/code_interpreter/adapters/code_adapter.py", line 314, in run
async for line in response.aiter_lines():
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_models.py", line 1031, in aiter_lines
async for text in self.aiter_text():
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_models.py", line 1018, in aiter_text
async for byte_content in self.aiter_bytes():
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_models.py", line 997, in aiter_bytes
async for raw_bytes in self.aiter_raw():
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_models.py", line 1055, in aiter_raw
async for raw_stream_bytes in self.stream:
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_client.py", line 176, in aiter
async for chunk in self._stream:
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_transports/default.py", line 270, in aiter
with map_httpcore_exceptions():
File "/home/.pyenv/versions/3.11.7/lib/python3.11/contextlib.py", line 158, in exit
self.gen.throw(typ, value, traceback)
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_transports/default.py", line 118, in map_httpcore_exceptions
raise mapped_exc(message) from exc
httpx.RemoteProtocolError: peer closed connection without sending complete message body (incomplete chunked read)
Traceback (most recent call last):
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_transports/default.py", line 101, in map_httpcore_exceptions
yield
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_transports/default.py", line 271, in aiter
async for part in self._httpcore_stream:
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/connection_pool.py", line 407, in aiter
raise exc from None
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/connection_pool.py", line 403, in aiter
async for part in self._stream:
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/http11.py", line 342, in aiter
raise exc
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/http11.py", line 334, in aiter
async for chunk in self._connection._receive_response_body(**kwargs):
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/http11.py", line 203, in _receive_response_body
event = await self._receive_event(timeout=timeout)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_async/http11.py", line 213, in _receive_event
with map_exceptions({h11.RemoteProtocolError: RemoteProtocolError}):
File "/home/.pyenv/versions/3.11.7/lib/python3.11/contextlib.py", line 158, in exit
self.gen.throw(typ, value, traceback)
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpcore/_exceptions.py", line 14, in map_exceptions
raise to_exc(exc) from exc
httpcore.RemoteProtocolError: peer closed connection without sending complete message body (incomplete chunked read)

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/code/OpenSandbox/sdks/code-interpreter/python/src/code_interpreter/adapters/code_adapter.py", line 314, in run
async for line in response.aiter_lines():
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_models.py", line 1031, in aiter_lines
async for text in self.aiter_text():
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_models.py", line 1018, in aiter_text
async for byte_content in self.aiter_bytes():
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_models.py", line 997, in aiter_bytes
async for raw_bytes in self.aiter_raw():
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_models.py", line 1055, in aiter_raw
async for raw_stream_bytes in self.stream:
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_client.py", line 176, in aiter
async for chunk in self._stream:
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_transports/default.py", line 270, in aiter
with map_httpcore_exceptions():
File "/home/.pyenv/versions/3.11.7/lib/python3.11/contextlib.py", line 158, in exit
self.gen.throw(typ, value, traceback)
File "/home/code/OpenSandbox/.venv/lib/python3.11/site-packages/httpx/_transports/default.py", line 118, in map_httpcore_exceptions
raise mapped_exc(message) from exc
httpx.RemoteProtocolError: peer closed connection without sending complete message body (incomplete chunked read)

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/code/OpenSandbox/examples/code-interpreter/main.py", line 129, in
asyncio.run(main())
File "/home/.pyenv/versions/3.11.7/lib/python3.11/asyncio/runners.py", line 190, in run
return runner.run(main)
^^^^^^^^^^^^^^^^
File "/home/.pyenv/versions/3.11.7/lib/python3.11/asyncio/runners.py", line 118, in run
return self._loop.run_until_complete(task)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/.pyenv/versions/3.11.7/lib/python3.11/asyncio/base_events.py", line 653, in run_until_complete
return future.result()
^^^^^^^^^^^^^^^
File "/home/code/OpenSandbox/examples/code-interpreter/main.py", line 62, in main
py_exec = await interpreter.codes.run(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/code/OpenSandbox/sdks/code-interpreter/python/src/code_interpreter/adapters/code_adapter.py", line 340, in run
raise ExceptionConverter.to_sandbox_exception(e) from e
opensandbox.exceptions.sandbox.SandboxInternalException: Unexpected SDK error occurred: peer closed connection without sending complete message body (incomplete chunked read)