llamaIndex - 💡(How to fix) Fix [Bug]: ImportError: cannot import name '_ContextManagerWrapper' with weaviate-client v4.20.5 [2 comments, 3 participants]

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run-llama/llama_index#21495Fetched 2026-04-28 06:25:05
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Error Message

File "/usr/local/lib/python3.10/dist-packages/llama_index/vector_stores/weaviate/base.py", line 39, in <module> from weaviate.collections.batch.batch_wrapper import ( ImportError: cannot import name '_ContextManagerWrapper' from 'weaviate.collections.batch.batch_wrapper' (/usr/local/lib/python3.10/dist-packages/weaviate/collections/batch/batch_wrapper.py) Environment Versions weaviate-client: v4.20.5

Fix Action

Fix / Workaround

Upgrade to weaviate-client==4.20.5 and attempt to import WeaviateVectorStore from llama_index.vector_stores.weaviate.

Code Example

File "/usr/local/lib/python3.10/dist-packages/llama_index/vector_stores/weaviate/base.py", line 39, in <module>
    from weaviate.collections.batch.batch_wrapper import (
ImportError: cannot import name '_ContextManagerWrapper' from 'weaviate.collections.batch.batch_wrapper' (/usr/local/lib/python3.10/dist-packages/weaviate/collections/batch/batch_wrapper.py)
Environment Versions
weaviate-client: v4.20.5

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RAW_BUFFERClick to expand / collapse

Bug Description

I am encountering an ImportError after updating the weaviate-client to version v4.20.5. It appears that a breaking change in the Weaviate client's internal structure is causing the llama-index-vector-stores-weaviate package to fail during import.

Error Traceback

File "/usr/local/lib/python3.10/dist-packages/llama_index/vector_stores/weaviate/base.py", line 39, in <module>
    from weaviate.collections.batch.batch_wrapper import (
ImportError: cannot import name '_ContextManagerWrapper' from 'weaviate.collections.batch.batch_wrapper' (/usr/local/lib/python3.10/dist-packages/weaviate/collections/batch/batch_wrapper.py)
Environment Versions
weaviate-client: v4.20.5

llama-index: 0.14.21

llama-index-vector-stores-weaviate: 1.4.1

Python: 3.10

Version

0.14.21

Steps to Reproduce

Upgrade to weaviate-client==4.20.5 and attempt to import WeaviateVectorStore from llama_index.vector_stores.weaviate.

Relevant Logs/Tracebacks

extent analysis

TL;DR

Downgrade the weaviate-client to a version compatible with the llama-index-vector-stores-weaviate package to resolve the ImportError.

Guidance

  • Verify the compatibility of the weaviate-client version with the llama-index-vector-stores-weaviate package.
  • Check the documentation of the llama-index-vector-stores-weaviate package for any known issues or breaking changes related to the weaviate-client update.
  • Consider reaching out to the maintainers of the llama-index-vector-stores-weaviate package for guidance on resolving the compatibility issue.
  • Review the import statement in the base.py file of the llama-index-vector-stores-weaviate package to ensure it is correct and up-to-date.

Example

No code snippet is provided as the issue is related to a compatibility problem between packages.

Notes

The solution may not be applicable if the weaviate-client version is required for other dependencies or features. Additionally, downgrading the weaviate-client may introduce other compatibility issues.

Recommendation

Apply workaround: Downgrade the weaviate-client to a version compatible with the llama-index-vector-stores-weaviate package, as the current version introduces a breaking change that causes the ImportError.

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llamaIndex - 💡(How to fix) Fix [Bug]: ImportError: cannot import name '_ContextManagerWrapper' with weaviate-client v4.20.5 [2 comments, 3 participants]