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mwmajewsk e192f6b6eb community[patch]: fix, better error message in deeplake vectoriser (#18397) ... If the document loader recieves Pathlib path instead of str, it reads the file correctly, but the problem begins when the document is added to Deeplake. This problem arises from casting the path to str in the metadata. ```python deeplake = True fname = Path('./lorem_ipsum.txt') loader = TextLoader(fname, encoding="utf-8") docs = loader.load_and_split() text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=100) chunks= text_splitter.split_documents(docs) if deeplake: db = DeepLake(dataset_path=ds_path, embedding=embeddings, token=activeloop_token) db.add_documents(chunks) else: db = Chroma.from_documents(docs, embeddings) ``` So using this snippet of code the error message for deeplake looks like this: ``` [part of error message omitted] Traceback (most recent call last): File "/home/mwm/repositories/sources/fixing_langchain/main.py", line 53, in <module> db.add_documents(chunks) File "/home/mwm/repositories/sources/langchain/libs/core/langchain_core/vectorstores.py", line 139, in add_documents return self.add_texts(texts, metadatas, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/mwm/repositories/sources/langchain/libs/community/langchain_community/vectorstores/deeplake.py", line 258, in add_texts return self.vectorstore.add( ^^^^^^^^^^^^^^^^^^^^^ File "/home/mwm/anaconda3/envs/langchain/lib/python3.11/site-packages/deeplake/core/vectorstore/deeplake_vectorstore.py", line 226, in add return self.dataset_handler.add( ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/mwm/anaconda3/envs/langchain/lib/python3.11/site-packages/deeplake/core/vectorstore/dataset_handlers/client_side_dataset_handler.py", line 139, in add dataset_utils.extend_or_ingest_dataset( File "/home/mwm/anaconda3/envs/langchain/lib/python3.11/site-packages/deeplake/core/vectorstore/vector_search/dataset/dataset.py", line 544, in extend_or_ingest_dataset extend( File "/home/mwm/anaconda3/envs/langchain/lib/python3.11/site-packages/deeplake/core/vectorstore/vector_search/dataset/dataset.py", line 505, in extend dataset.extend(batched_processed_tensors, progressbar=False) File "/home/mwm/anaconda3/envs/langchain/lib/python3.11/site-packages/deeplake/core/dataset/dataset.py", line 3247, in extend raise SampleExtendError(str(e)) from e.__cause__ deeplake.util.exceptions.SampleExtendError: Failed to append a sample to the tensor 'metadata'. See more details in the traceback. If you wish to skip the samples that cause errors, please specify `ignore_errors=True`. ``` Which is does not explain the error well enough. The same error for chroma looks like this ``` During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/mwm/repositories/sources/fixing_langchain/main.py", line 56, in <module> db = Chroma.from_documents(docs, embeddings) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/mwm/repositories/sources/langchain/libs/community/langchain_community/vectorstores/chroma.py", line 778, in from_documents return cls.from_texts( ^^^^^^^^^^^^^^^ File "/home/mwm/repositories/sources/langchain/libs/community/langchain_community/vectorstores/chroma.py", line 736, in from_texts chroma_collection.add_texts( File "/home/mwm/repositories/sources/langchain/libs/community/langchain_community/vectorstores/chroma.py", line 309, in add_texts raise ValueError(e.args[0] + "\n\n" + msg) ValueError: Expected metadata value to be a str, int, float or bool, got lorem_ipsum.txt which is a <class 'pathlib.PosixPath'> Try filtering complex metadata from the document using langchain_community.vectorstores.utils.filter_complex_metadata. ``` Which is way more user friendly, so I just added information about possible mismatch of the type in the error message, the same way it is covered in chroma https://github.com/langchain-ai/langchain/blob/master/libs/community/langchain_community/vectorstores/chroma.py#L224		7 months ago
..
adapters	docs: added `community` modules descriptions (#17827)	7 months ago
agent_toolkits	community: Add PolygonFinancials Tool (#18324)	7 months ago
callbacks	community[minor] : adds callback handler for Fiddler AI (#17708)	7 months ago
chat_loaders	…
chat_message_histories	astradb: Add AstraDBChatMessageHistory to langchain-astradb package (#17732)	7 months ago
chat_models	community[patch]: type ignore fixes (#18395)	7 months ago
docstore	…
document_compressors	community[feat]: Adds LLMLingua as a document compressor (#17711)	7 months ago
document_loaders	community[patch]: type ignore fixes (#18395)	7 months ago
document_transformers	…
embeddings	community[patch]: Voyage AI updates default model and batch size (#17655)	7 months ago
example_selectors	docs: added `community` modules descriptions (#17827)	7 months ago
graphs	community[patch]: Fix GraphSparqlQAChain so that it works with Ontotext GraphDB (#15009)	7 months ago
indexes	community: Add document manager and mongo document manager (#17320)	7 months ago
llms	community[patch]: Fix ChatModel for sparkllm Bug. (#18375)	7 months ago
output_parsers	…
retrievers	community[patch]: Fixing embedchain document mapping (#18255)	7 months ago
storage	multiple[patch]: fix deprecation versions (#18349)	7 months ago
tools	community: Add PolygonFinancials Tool (#18324)	7 months ago
utilities	community: Add PolygonFinancials Tool (#18324)	7 months ago
utils	Add the BQ job usage tracking from LangChain (#17123)	8 months ago
vectorstores	community[patch]: fix, better error message in deeplake vectoriser (#18397)	7 months ago
__init__.py	…
cache.py	community[patch]: Graceful handling of redis errors in RedisCache and AsyncRedisCache (#17171)	7 months ago
py.typed	…