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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    CastError
Message:      Couldn't cast
dataset: string
base_dir: string
format: string
records: int64
unique_ids: int64
unique_candidate_code_hashes: int64
unique_gt_images: int64
hard_error_count: int64
warning_count: int64
anchor_checks: struct<total: int64, not_found_in_code: int64, line_range_or_alignment_warnings: int64>
  child 0, total: int64
  child 1, not_found_in_code: int64
  child 2, line_range_or_alignment_warnings: int64
character_lengths: struct<input: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: d (... 213 chars omitted)
  child 0, input: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: double>
      child 0, min: int64
      child 1, p50: int64
      child 2, p90: int64
      child 3, p95: int64
      child 4, p99: int64
      child 5, max: int64
      child 6, mean: double
  child 1, target: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: double>
      child 0, min: int64
      child 1, p50: int64
      child 2, p90: int64
      child 3, p95: int64
      child 4, p99: int64
      child 5, max: int64
      child 6, mean: double
  child 2, combined: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: double>
      child 0, min: int64
      child 1, p50: int64
      child 2, p90: int64
      child 3, p95: int64
      child 4, p99: int64
      child 5, max: int64
      child 6, mean: double
target_error_count: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: double>
  child 0, min: int64
  child 1, p50: int64
  child 2, p90: int64
  child 3, p95: int64
  child 4, p99: int64
  child 5, max: int64
  child 6, mean: double
category_counts: struct<attribute_content_error: int64, layout_relation_error: int64, entity_error: int64, style_rend (... 19 chars omitted)
  child 0, attribute_content_error: int64
  child 1, layout_relation_error: int64
  child 2, entity_error: int64
  child 3, style_rendering_error: int64
hard_errors: list<item: null>
  child 0, item: null
warnings: list<item: string>
  child 0, item: string
id: string
messages: list<item: struct<role: string, content: string>>
  child 0, item: struct<role: string, content: string>
      child 0, role: string
      child 1, content: string
metadata: struct<record_id: string, sample_id: string, source_model: string, code_type: string, figure_type: s (... 91 chars omitted)
  child 0, record_id: string
  child 1, sample_id: string
  child 2, source_model: string
  child 3, code_type: string
  child 4, figure_type: string
  child 5, candidate_code_file: string
  child 6, gt_image_sha256: string
  child 7, candidate_code_sha256: string
images: list<item: string>
  child 0, item: string
to
{'id': Value('string'), 'messages': List({'role': Value('string'), 'content': Value('string')}), 'images': List(Value('string')), 'metadata': {'record_id': Value('string'), 'sample_id': Value('string'), 'source_model': Value('string'), 'code_type': Value('string'), 'figure_type': Value('string'), 'candidate_code_file': Value('string'), 'gt_image_sha256': Value('string'), 'candidate_code_sha256': Value('string')}}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1827, in _prepare_split_single
                  for key, table in generator:
                                    ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 613, in wrapped
                  for item in generator(*args, **kwargs):
                              ~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              dataset: string
              base_dir: string
              format: string
              records: int64
              unique_ids: int64
              unique_candidate_code_hashes: int64
              unique_gt_images: int64
              hard_error_count: int64
              warning_count: int64
              anchor_checks: struct<total: int64, not_found_in_code: int64, line_range_or_alignment_warnings: int64>
                child 0, total: int64
                child 1, not_found_in_code: int64
                child 2, line_range_or_alignment_warnings: int64
              character_lengths: struct<input: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: d (... 213 chars omitted)
                child 0, input: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: double>
                    child 0, min: int64
                    child 1, p50: int64
                    child 2, p90: int64
                    child 3, p95: int64
                    child 4, p99: int64
                    child 5, max: int64
                    child 6, mean: double
                child 1, target: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: double>
                    child 0, min: int64
                    child 1, p50: int64
                    child 2, p90: int64
                    child 3, p95: int64
                    child 4, p99: int64
                    child 5, max: int64
                    child 6, mean: double
                child 2, combined: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: double>
                    child 0, min: int64
                    child 1, p50: int64
                    child 2, p90: int64
                    child 3, p95: int64
                    child 4, p99: int64
                    child 5, max: int64
                    child 6, mean: double
              target_error_count: struct<min: int64, p50: int64, p90: int64, p95: int64, p99: int64, max: int64, mean: double>
                child 0, min: int64
                child 1, p50: int64
                child 2, p90: int64
                child 3, p95: int64
                child 4, p99: int64
                child 5, max: int64
                child 6, mean: double
              category_counts: struct<attribute_content_error: int64, layout_relation_error: int64, entity_error: int64, style_rend (... 19 chars omitted)
                child 0, attribute_content_error: int64
                child 1, layout_relation_error: int64
                child 2, entity_error: int64
                child 3, style_rendering_error: int64
              hard_errors: list<item: null>
                child 0, item: null
              warnings: list<item: string>
                child 0, item: string
              id: string
              messages: list<item: struct<role: string, content: string>>
                child 0, item: struct<role: string, content: string>
                    child 0, role: string
                    child 1, content: string
              metadata: struct<record_id: string, sample_id: string, source_model: string, code_type: string, figure_type: s (... 91 chars omitted)
                child 0, record_id: string
                child 1, sample_id: string
                child 2, source_model: string
                child 3, code_type: string
                child 4, figure_type: string
                child 5, candidate_code_file: string
                child 6, gt_image_sha256: string
                child 7, candidate_code_sha256: string
              images: list<item: string>
                child 0, item: string
              to
              {'id': Value('string'), 'messages': List({'role': Value('string'), 'content': Value('string')}), 'images': List(Value('string')), 'metadata': {'record_id': Value('string'), 'sample_id': Value('string'), 'source_model': Value('string'), 'code_type': Value('string'), 'figure_type': Value('string'), 'candidate_code_file': Value('string'), 'gt_image_sha256': Value('string'), 'candidate_code_sha256': Value('string')}}
              because column names don't match
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1694, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1880, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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id
string
messages
list
images
list
metadata
dict
Claude_Sonnet_4_5::145996c5f8fa415fa7e78cf43146da23
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/39cfb749bf65f68a66b200b86e632737e79513f61d975b2860b92d61b9dd069c.png" ]
{ "record_id": "Claude_Sonnet_4_5::145996c5f8fa415fa7e78cf43146da23", "sample_id": "145996c5f8fa415fa7e78cf43146da23", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "bar-chart", "candidate_code_file": "candidate_code/ffeb83e72d5da933d8cfbb3f4238a36517fb02cb61b48618072984905e49...
Claude_Sonnet_4_5::14a577c30da8439bb1aad142191ec27d
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/0ec93025054959a02a55e6cce07df44860ccde7fb14d55886cfa92155aad0ec0.png" ]
{ "record_id": "Claude_Sonnet_4_5::14a577c30da8439bb1aad142191ec27d", "sample_id": "14a577c30da8439bb1aad142191ec27d", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "bar-chart", "candidate_code_file": "candidate_code/08dc9534c8e0dda4dc7087b04079302161e6f53f0bf3f4ed8acbcde12735...
Claude_Sonnet_4_5::19bc317e37c74f4c8ecb959749cadbc1
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/0fc0ca5e69ba22951f2df490f195b85693d968495e1bb1430dce29ea0afcc36a.png" ]
{ "record_id": "Claude_Sonnet_4_5::19bc317e37c74f4c8ecb959749cadbc1", "sample_id": "19bc317e37c74f4c8ecb959749cadbc1", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "function-related", "candidate_code_file": "candidate_code/b3805675fd1a4a904d9b3a30faccbc4238390c7f4eed58187deb0...
Claude_Sonnet_4_5::1e178b1520014ae8b3308773960f4167
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/ff13d05cc62e19843295a19800eecd9e6f0421d0b05c80b6e9725d2318f486ff.png" ]
{ "record_id": "Claude_Sonnet_4_5::1e178b1520014ae8b3308773960f4167", "sample_id": "1e178b1520014ae8b3308773960f4167", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "pie-chart", "candidate_code_file": "candidate_code/207f89c0503033d29c35dbb85580f2d978bf40b45099251fd0f8d39bb2ca...
Claude_Sonnet_4_5::2dacb2b606b744cc96402ce428ec037e
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/18b7315e2e7e7cb2cfc8d28b0f45ac45a61de4ba3ff20aa8a03a8751680d0d25.png" ]
{ "record_id": "Claude_Sonnet_4_5::2dacb2b606b744cc96402ce428ec037e", "sample_id": "2dacb2b606b744cc96402ce428ec037e", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "line-graph", "candidate_code_file": "candidate_code/ffe1022083ced20cc272fc2ef75e7d9dcb259e642190268e900b42ed483...
Claude_Sonnet_4_5::2df40e34104e488096b4d41fa38ecf97
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/87bc3fa5db77a03a86f2fbce2005081ef42d6b75c27b071a7727af42bd07022d.png" ]
{ "record_id": "Claude_Sonnet_4_5::2df40e34104e488096b4d41fa38ecf97", "sample_id": "2df40e34104e488096b4d41fa38ecf97", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "line-graph", "candidate_code_file": "candidate_code/a03a79896fbc9cacf9bfe1ca814699c1e584a4d00228e84ed5fbc64497b...
Claude_Sonnet_4_5::2f26492d5250418cb946f52e6213cc6a
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/0e5b85f19bcd18a76b427a952f2ff413854af3af2f1de790abfbeacb405bc9fe.png" ]
{ "record_id": "Claude_Sonnet_4_5::2f26492d5250418cb946f52e6213cc6a", "sample_id": "2f26492d5250418cb946f52e6213cc6a", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "radar-chart", "candidate_code_file": "candidate_code/5eeac1c8437164e6f38b384c88d9a9f78c3773b6eaca30ce78724a0af8...
Claude_Sonnet_4_5::2f742517504c426cbd2eeb76a8262cf6
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/b7105b3fa7bfd80cf56204cdc3ce7731759f0a1e53d54a0fb3d27d7098de4e9b.png" ]
{ "record_id": "Claude_Sonnet_4_5::2f742517504c426cbd2eeb76a8262cf6", "sample_id": "2f742517504c426cbd2eeb76a8262cf6", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "line-graph", "candidate_code_file": "candidate_code/7f20c2f527fd6d6d62d61b9f60b3fd663dc7154825d7e2545dd21e06ed5...
Claude_Sonnet_4_5::361bae861cb640fa8f5532d04f605b92
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/39e04599cd751d6fdf4f6507d6b406b5c03f583d64b0595a39c6c0f5c2c37025.png" ]
{ "record_id": "Claude_Sonnet_4_5::361bae861cb640fa8f5532d04f605b92", "sample_id": "361bae861cb640fa8f5532d04f605b92", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "bar-chart", "candidate_code_file": "candidate_code/e0550ece340866ec2e8eaf529755f29081d554a654bd1710fc6b47e47ac7...
Claude_Sonnet_4_5::3839dec2738246b998e05e7c79eafaf9
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/63ce78ba2a650f6f5a94130a44748c21a3c9f607aff0e652fa167a621c7262fe.png" ]
{ "record_id": "Claude_Sonnet_4_5::3839dec2738246b998e05e7c79eafaf9", "sample_id": "3839dec2738246b998e05e7c79eafaf9", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "other-figures", "candidate_code_file": "candidate_code/286d34bb71c07325d8edc3c09df1e74c2109222c1a49eaeab93dfbff...
Claude_Sonnet_4_5::3bb98a7fe50c4715b0a941a0524191e2
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/55452c563aec745c95cf01382a9df779823d45867807dea0ff497408f3b03818.png" ]
{ "record_id": "Claude_Sonnet_4_5::3bb98a7fe50c4715b0a941a0524191e2", "sample_id": "3bb98a7fe50c4715b0a941a0524191e2", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "analytical-geometry", "candidate_code_file": "candidate_code/75201b27d86623a5c2fb685772019058ee774853c5a064061d...
Claude_Sonnet_4_5::3c5606f2c84d48bd9573d843ffe68c95
[ { "role": "user", "content": "<image>\nYou are an auditor for Image-to-Code visual factuality.\n\nYou are given a ground-truth image, figure_type, code_type, and\ncandidate_code_lines. Each code line contains an authoritative 1-based line\nnumber `l_n` and exact source text `t`.\n\nCompare the visual facts ...
[ "gt_images/d7120151338462cf280fe6742c0b8fdfa617efae1bbf929ac8106cd9c218d520.png" ]
{ "record_id": "Claude_Sonnet_4_5::3c5606f2c84d48bd9573d843ffe68c95", "sample_id": "3c5606f2c84d48bd9573d843ffe68c95", "source_model": "Claude_Sonnet_4_5", "code_type": "html-css", "figure_type": "pie-chart", "candidate_code_file": "candidate_code/b93640381f362f7ed6cf62c1d04993038c7085f486eb958324a45683e861...
End of preview.

i2c_hallu_7k

This dataset supports supervised fine-tuning for image-to-code visual factuality auditing. Each example provides a ground-truth figure image and numbered candidate source-code lines. The target is a strict JSON list of visual inconsistencies, including the responsible code span when applicable.

Splits

  • splits_gt/train.jsonl: 7,014 examples
  • splits_gt/val.jsonl: 373 examples
  • gt_images/: 804 ground-truth PNG images referenced by the splits
  • candidate_code/: 7,387 source files retained for provenance and dataset validation

Each JSONL record uses the ms-swift multimodal schema: messages, images, and metadata. Image paths are relative to the repository root. The candidate code needed by the model is embedded in the user prompt; the files in candidate_code/ provide the corresponding source artifact referenced by metadata.candidate_code_file.

metadata.json contains dataset statistics. The validation and split reports document dataset integrity and the group-disjoint train/validation split.

Example usage

Run from the dataset root so the relative image paths resolve:

swift sft \
  --model <MODEL_PATH_OR_ID> \
  --dataset splits_gt/train.jsonl \
  --val_dataset splits_gt/val.jsonl \
  --template qwen3_vl
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