Update 2.mdx - Convert Arrow columns to list before tokenization #1047
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The Transformers tokenizer expects a string or a Python list/sequence of strings. Arrow Column objects (from datasets) are not directly supported and raise ValueError Wrapping the column with list(...) materializes a list of plain Python strings so the tokenizer accepts them.
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The Transformers tokenizer expects a string or a Python list/sequence of strings. Arrow Column objects (from datasets) are not directly supported and raise ValueError Wrapping the column with list(...) materializes a list of plain Python strings so the tokenizer accepts them.