#747·KAG

怎么解决啊 TypeError: 'NoneType' object is not iterable

Author: Phoebe246824Created Apr 27, 2026Updated Aug 16, 2026

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Operating system information

Linux

What happened

[Scanner]: There are total 1 data to process, worker 0/1 will process range [0, 1) Existing checkpoint found in ckpt/DictReader, with 2 records. Existing checkpoint found in ckpt/LengthSplitter, with 2 records. Existing checkpoint found in ckpt/SummaryExtractor, with 7 records. Existing checkpoint found in ckpt/SchemaConstraintExtractor, with 7 records. Existing checkpoint found in ckpt/BatchVectorizer, with 7 records. Traceback (most recent call last): File "/mnt/HDD0/home/zxy24/KAG/kag/builder/runner.py", line 207, in process result = await self.chain.ainvoke(data) File "/mnt/HDD0/home/zxy24/KAG/kag/interface/builder/builder_chain_abc.py", line 164, in ainvoke outputs = await asyncio.gather(*tasks) File "/mnt/HDD0/home/zxy24/KAG/kag/interface/builder/builder_chain_abc.py", line 134, in execute_node results = await asyncio.gather(*tasks) File "/mnt/HDD0/home/zxy24/KAG/kag/interface/builder/builder_chain_abc.py", line 126, in ainvoke_with_semaphore return await node.ainvoke(item) File "/mnt/HDD0/home/zxy24/KAG/kag/interface/builder/base.py", line 215, in ainvoke output = await self._ainvoke(input_data, **kwargs) File "/mnt/HDD0/home/zxy24/KAG/kag/builder/component/vectorizer/batch_vectorizer.py", line 496, in _ainvoke modified_input = await self._agenerate_embedding_vectors(input_subgraph) File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/site-packages/tenacity/asyncio/init.py", line 193, in async_wrapped return await copy(fn, *args, **kwargs) File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/site-packages/tenacity/asyncio/init.py", line 112, in call do = await self.iter(retry_state=retry_state) File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/site-packages/tenacity/asyncio/init.py", line 157, in iter result = await action(retry_state) File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/site-packages/tenacity/_utils.py", line 111, in inner return call(*args, **kwargs) File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/site-packages/tenacity/init.py", line 413, in exc_check raise retry_exc.reraise() File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/site-packages/tenacity/init.py", line 184, in reraise raise self.last_attempt.result() File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/concurrent/futures/_base.py", line 451, in result return self.__get_result() File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/concurrent/futures/_base.py", line 403, in __get_result raise self._exception File "/mnt/HDD0/home/zxy24/miniconda3/envs/openspg/lib/python3.10/site-packages/tenacity/asyncio/init.py", line 116, in call result = await fn(*args, **kwargs) File "/mnt/HDD0/home/zxy24/KAG/kag/builder/component/vectorizer/batch_vectorizer.py", line 461, in _agenerate_embedding_vectors await generator.abatch_generate(node_batch, self.batch_size) File "/mnt/HDD0/home/zxy24/KAG/kag/builder/component/vectorizer/batch_vectorizer.py", line 322, in abatch_generate await manager.abatch_generate_dense(self._vectorizer, batch_size) File "/mnt/HDD0/home/zxy24/KAG/kag/builder/component/vectorizer/batch_vectorizer.py", line 233, in abatch_generate_dense vectors = await self._agenerate_dense_vectors( File "/mnt/HDD0/home/zxy24/KAG/kag/builder/component/vectorizer/batch_vectorizer.py", line 183, in _agenerate_dense_vectors return [item for sublist in results for item in sublist] File "/mnt/HDD0/home/zxy24/KAG/kag/builder/component/vectorizer/batch_vectorizer.py", line 183, in return [item for sublist in results for item in sublist] TypeError: 'NoneType' object is not iterable

How to reproduce

Are you willing to submit PR?

Yes I am willing to submit a PR!

Source: OpenSPG/KAG

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