transformers - 💡(How to fix) Fix cannot import name 'HybridCache' from 'transformers [1 comments, 2 participants]

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huggingface/transformers#44351Fetched 2026-04-08 00:29:05
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Error Message

Traceback (most recent call last):

RAW_BUFFERClick to expand / collapse

System Info

transformers 5.2.0

Who can help?

No response

Information

  • The official example scripts
  • My own modified scripts

Tasks

  • An officially supported task in the examples folder (such as GLUE/SQuAD, ...)
  • My own task or dataset (give details below)

Reproduction

from transformers import Cache, DynamicCache, EncoderDecoderCache, HybridCache, PreTrainedModel

Expected behavior

Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: cannot import name 'HybridCache' from 'transformers' (/opt/conda/envs/python3.10.13/lib/python3.10/site-packages/transformers/init.py)

extent analysis

Fix Plan

Update transformers library

The fix is to update the transformers library to a version that includes the HybridCache class.

Steps

  1. Update transformers library:

pip install --upgrade transformers

2. **Verify the update**:
   ```python
import transformers
print(transformers.__version__)

This should print the latest version of transformers, which should include the HybridCache class.

Example usage:

from transformers import HybridCache

# Create a HybridCache instance
cache = HybridCache()

# Use the cache as needed

Note:

  • Make sure to update all dependencies and environments to the latest version.
  • If you're using a virtual environment, make sure to activate it before updating the library.
  • If you're using a Docker container, make sure to rebuild the image after updating the library.

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FAQ

Expected behavior

Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: cannot import name 'HybridCache' from 'transformers' (/opt/conda/envs/python3.10.13/lib/python3.10/site-packages/transformers/init.py)

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