Bug exporting traces: need more than 3 values to unpack

[LukeZeller]

Summary of problem

Got the below error with message Unexpected error while exporting events. Please report this bug to https://github.com/DataDog/dd-trace-py/issues.

ValueError: need more than 3 values to unpack
  File "ddtrace/profiling/scheduler.py", line 65, in flush
    exp.export(events, start, self._last_export)
  File "ddtrace/profiling/exporter/http.py", line 175, in export
    profile, libs = super(PprofHTTPExporter, self).export(events, start_time_ns, end_time_ns)
  File "ddtrace/profiling/exporter/pprof.pyx", line 672, in ddtrace.profiling.exporter.pprof.PprofExporter.export
    converter.convert_stack_event(
  File "ddtrace/profiling/exporter/pprof.pyx", line 267, in ddtrace.profiling.exporter.pprof._PprofConverter.convert_stack_event
    self._to_locations(frames, nframes),
  File "ddtrace/profiling/exporter/pprof.pyx", line 239, in ddtrace.profiling.exporter.pprof._PprofConverter._to_locations
    self._to_Location(filename, lineno, funcname).id for filename, lineno, funcname, class_name in frames

Which version of dd-trace-py are you using?

1.18.4

Which version of pip are you using?

Poetry 1.4.2

Which libraries and their versions are you using?

`pip freeze`

```aiohttp==3.8.5 aiosignal==1.3.1 alembic==1.12.0 anthropic==0.3.3 anyio==3.7.1 appnope==0.1.3 asttokens==2.4.0 async-cache==1.1.1 async-lru==2.0.4 async-timeout==4.0.3 asyncpg==0.28.0 attrs==23.1.0 azure-ai-formrecognizer==3.3.0 azure-common==1.1.28 azure-core==1.29.4 azure-identity==1.14.1 azure-keyvault-secrets==4.7.0 azure-mgmt-cognitiveservices==13.5.0 azure-mgmt-core==1.4.0 azure-storage-blob==12.18.3 backcall==0.2.0 beautifulsoup4==4.12.2 black==23.7.0 bytecode==0.15.0 cachetools==5.3.1 cattrs==23.1.2 certifi==2023.7.22 cffi==1.15.1 charset-normalizer==3.2.0 click==8.1.7 comm==0.1.4 cryptography==41.0.4 datadog==0.45.0 ddsketch==2.0.4 ddtrace==1.18.4 debugpy==1.7.0 decorator==5.1.1 Deprecated==1.2.14 distro==1.8.0 envier==0.4.0 executing==1.2.0 fastapi==0.95.2 fastapi-restful==0.5.0 fastapi-shell==0.1.3 filelock==3.12.3 frozenlist==1.4.0 fsspec==2023.9.0 greenlet==2.0.2 grpcio==1.58.0 gunicorn==20.1.0 h11==0.14.0 hiredis==2.2.3 httpcore==0.17.3 httpx==0.24.1 huggingface-hub==0.16.4 idna==3.4 imagesize==1.4.1 importlib-metadata==6.8.0 iniconfig==2.0.0 ipykernel==6.25.2 ipython==8.6.0 isodate==0.6.1 isort==5.12.0 jedi==0.19.0 Jinja2==3.1.2 jmespath==1.0.1 joblib==1.3.2 jsonschema==4.19.0 jsonschema-specifications==2023.7.1 jupyter_client==8.3.1 jupyter_core==5.3.1 Mako==1.2.4 markdown-it-py==3.0.0 MarkupSafe==2.1.3 matplotlib-inline==0.1.6 mdurl==0.1.2 mpmath==1.3.0 msal==1.23.0 msal-extensions==1.0.0 msgpack==1.0.5 msrest==0.7.1 multidict==6.0.4 mypy==1.5.1 mypy-extensions==1.0.0 nest-asyncio==1.5.7 networkx==3.1 ninja==1.11.1 nltk==3.8.1 nodeenv==1.8.0 numpy==1.25.2 oauthlib==3.2.2 openai==0.27.10 opentelemetry-api==1.20.0 orjson==3.9.7 packaging==23.1 parso==0.8.3 pathspec==0.11.2 pexpect==4.8.0 phonenumbers==8.13.22 pickleshare==0.7.5 Pillow==10.0.1 platformdirs==3.10.0 pluggy==1.3.0 portalocker==2.7.0 prompt-toolkit==3.0.30 protobuf==4.24.3 psutil==5.9.5 psycopg==3.1.10 psycopg-binary==3.1.10 ptyprocess==0.7.0 pure-eval==0.2.2 pycparser==2.21 pydantic==1.10.12 Pygments==2.16.1 PyJWT==2.8.0 pypdf==3.15.5 pyright==1.1.326 pytest==7.4.2 pytest-asyncio==0.21.1 pytest-socket==0.6.0 python-dateutil==2.8.2 python-dotenv==1.0.0 python-json-logger==2.0.7 python-magic==0.4.27 python-multipart==0.0.6 PyYAML==6.0.1 pyzmq==25.1.1 quickjs==1.19.2 ray==2.6.3 redis==4.6.0 referencing==0.30.2 regex==2023.8.8 requests==2.31.0 requests-oauthlib==1.3.1 rich==13.5.2 rpds-py==0.10.2 safetensors==0.3.3 scikit-learn==1.3.0 scipy==1.9.3 sentence-transformers @ git+https://github.com/UKPLab/sentence-transformers.git@179b659621c680371394d507683b25ba7faa0dd8 sentencepiece==0.1.99 sentry-sdk==1.31.0 setproctitle==1.3.2 six==1.16.0 sniffio==1.3.0 soupsieve==2.5 SQLAlchemy==2.0.20 SQLAlchemy-serializer==1.4.1 stack-data==0.6.2 starlette==0.27.0 structlog==23.1.0 structlog-sentry==2.0.3 sympy==1.12 tabulate==0.9.0 termcolor==2.3.0 threadpoolctl==3.2.0 tiktoken==0.4.0 tokenizers==0.13.3 torch @ https://download.pytorch.org/whl/cpu/torch-2.0.1-cp311-none-macosx_11_0_arm64.whl torchvision==0.15.2 tornado==6.3.3 tqdm==4.66.1 traitlets==5.9.0 transformers==4.33.1 typeguard==4.1.3 types-cachetools==5.3.0.6 types-jmespath==1.0.2.7 types-pyOpenSSL==23.2.0.2 types-redis==4.6.0.5 typing_extensions==4.7.1 Unidecode==1.3.7 urllib3==1.26.17 uvicorn==0.22.0 wcwidth==0.2.6 wrapt==1.15.0 xmltodict==0.13.0 yarl==1.9.2 zipp==3.16.2```

How can we reproduce your problem?

N/A

What is the result that you get?

N/A

What is the result that you expected?

N/A

[majorgreys]

@sanchda Can you look into this bug report?

[sanchda]

Good catch, @majorgreys , and thank you for the report @LukeZeller . This definitely seems like a Profiler issue, and one which should be easy to remediate.

[github-actions[bot]]

This issue has been automatically closed after a period of inactivity. If it's a feature request, it has been added to the maintainers' internal backlog and will be included in an upcoming round of feature prioritization. Please comment or reopen if you think this issue was closed in error.