Build failure: python312Packages.chromadb (dependency of open-webui)

[weiren2]

Nixpkgs version

• Unstable (25.05)

Steps to reproduce

Run nix build github:NixOS/nixpkgs/nixos-unstable#python312Packages.chromadb.

Or try to build open-webui, which needs this package.

Can Hydra reproduce this build failure?

Yes, Hydra can reproduce this build failure.

Link to Hydra build job

https://hydra.nixos.org/build/292971555/nixlog/1

Relevant log output

error: builder for '/nix/store/98h3ychdf4w6v592lgf88ws1lmbqr0lj-python3.12-chromadb-0.5.20.drv' failed with exit code 1;
       last 25 log lines:
       >     return func(*args, **kwargs)
       >            ^^^^^^^^^^^^^^^^^^^^^
       >   File "/build/source/chromadb/api/segment.py", line 226, in create_collection
       >     coll, created = self._sysdb.create_collection(
       >                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       >   File "/build/source/chromadb/telemetry/opentelemetry/__init__.py", line 150, in wrapper
       >     return f(*args, **kwargs)
       >            ^^^^^^^^^^^^^^^^^^
       >   File "/build/source/chromadb/db/mixins/sysdb.py", line 241, in create_collection
       >     raise UniqueConstraintError(f"Collection {name} already exists")
       > chromadb.errors.UniqueConstraintError: Collection test already exists
       > =============================== warnings summary ===============================
       > chromadb/test/configurations/test_configurations.py:13
       >   /build/source/chromadb/test/configurations/test_configurations.py:13: PytestCollectionWarning: cannot collect test class 'TestConfiguration' because it has a __init__ constructor (from: chromadb/test/configurations/test_configurations.py)
       >     class TestConfiguration(ConfigurationInternal):
       >
       > chromadb/test/api/test_collection.py::test_duplicate_collection_create[async_fastapi]
       >   /build/source/chromadb/utils/async_to_sync.py:20: DeprecationWarning: There is no current event loop
       >     loop = asyncio.get_event_loop()
       >
       > -- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
       > =========================== short test summary info ============================
       > ERROR chromadb/test/api/test_collection.py::test_not_existing_collection_delete[async_fastapi] - httpx.ReadError
       > !!!!!!!!!!!!!!!!!!!!!!!!!! stopping after 1 failures !!!!!!!!!!!!!!!!!!!!!!!!!!!
       > ============ 3 passed, 3 deselected, 2 warnings, 1 error in 10.96s =============
       For full logs, run 'nix log /nix/store/98h3ychdf4w6v592lgf88ws1lmbqr0lj-python3.12-chromadb-0.5.20.drv'.
error: 1 dependencies of derivation '/nix/store/74lkp5md8b5id2yg3ca4hjzfks0bzv4a-open-webui-0.5.20.drv' failed to build

Additional context

No response

System metadata

• system: "x86_64-linux"
• host os: Linux 6.12.18, NixOS, 24.11 (Vicuna), 24.11.20250320.7105ae3
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.24.12
• nixpkgs: /nix/store/qjmsdak7fhqc7pi922i2mgm45f7af9h8-source

Notify maintainers

@drupol @shivaraj-bh @fabaff

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