python

LangChain Embedding Dimension Changed

langchain.*embeddings.*dimension.*mismatch

Fixes

1.Delete and recreate vector store with new embeddings
2.Ensure same embedding model is used for index and query
3.Store embedding model info in metadata for validation

langchainembeddingsdimension

Related Errors

Asyncio event loop already running

RuntimeError: This event loop is already running

•Use nest_asyncio.apply() to allow nested event loops
•Use asyncio.run_coroutine_threadsafe() instead of asyncio.run()

Coroutine never awaited

RuntimeWarning: coroutine '.*' was never awaited

•Add 'await' before the coroutine call
•Use asyncio.create_task() to schedule the coroutine

Asyncio task was cancelled

asyncio\.CancelledError

•Handle CancelledError in try/except within the task
•Use asyncio.shield() to protect critical sections from cancellation