incompatibility with faiss-cpu 1.13 #987
Description
The simple demo program
import txtai
embeddings = txtai.Embeddings()
embeddings.index(["Correct", "Not what we hoped"])
embeddings.search("positive", 1)does not work with the latest version of txtai with faiss-cpu in version 1.13:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "$HOME/.venv/lib/python3.12/site-packages/txtai/embeddings/base.py", line 375, in search
results = self.batchsearch([query], limit, weights, index, [parameters], graph)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "$HOME/.venv/lib/python3.12/site-packages/txtai/embeddings/base.py", line 401, in batchsearch
results = Search(self, indexids=graph)(queries, limit, weights, index, parameters)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "$HOME/.venv/lib/python3.12/site-packages/txtai/embeddings/search/base.py", line 82, in __call__
return self.search(queries, limit, weights, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "$HOME/.venv/lib/python3.12/site-packages/txtai/embeddings/search/base.py", line 107, in search
dense = self.dense(queries, limit * 10 if hybrid else limit) if self.ann else None
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "$HOME/.venv/lib/python3.12/site-packages/txtai/embeddings/search/base.py", line 183, in dense
results = self.ann.search(embeddings, limit)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "$HOME/.venv/lib/python3.12/site-packages/txtai/ann/dense/faiss.py", line 81, in search
self.backend.nprobe = self.nprobe()
^^^^^^^^^^^^^^^^^^^
File "$HOME/.venv/lib/python3.12/site-packages/faiss/class_wrappers.py", line 253, in replacement_setattr
raise AttributeError(
AttributeError: 'IndexIDMap' object has no attribute 'nprobe'.
List of all installed packages:
$ uv pip list
Package Version
------------------------ ----------
certifi 2025.11.12
charset-normalizer 3.4.4
faiss-cpu 1.13.0
filelock 3.20.0
fsspec 2025.10.0
hf-xet 1.2.0
huggingface-hub 0.36.0
idna 3.11
jinja2 3.1.6
markupsafe 3.0.3
mpmath 1.3.0
msgpack 1.1.2
networkx 3.5
numpy 2.3.5
nvidia-cublas-cu12 12.8.4.1
nvidia-cuda-cupti-cu12 12.8.90
nvidia-cuda-nvrtc-cu12 12.8.93
nvidia-cuda-runtime-cu12 12.8.90
nvidia-cudnn-cu12 9.10.2.21
nvidia-cufft-cu12 11.3.3.83
nvidia-cufile-cu12 1.13.1.3
nvidia-curand-cu12 10.3.9.90
nvidia-cusolver-cu12 11.7.3.90
nvidia-cusparse-cu12 12.5.8.93
nvidia-cusparselt-cu12 0.7.1
nvidia-nccl-cu12 2.27.5
nvidia-nvjitlink-cu12 12.8.93
nvidia-nvshmem-cu12 3.3.20
nvidia-nvtx-cu12 12.8.90
packaging 25.0
pyyaml 6.0.3
regex 2025.11.3
requests 2.32.5
safetensors 0.6.2
setuptools 80.9.0
sympy 1.14.0
tokenizers 0.22.1
torch 2.9.1
tqdm 4.67.1
transformers 4.57.1
triton 3.5.1
txtai 9.1.0
typing-extensions 4.15.0
urllib3 2.5.0
With faiss-cpu in version 1.12 it works fine.