Dataset Viewer
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Cannot get the split names for the config 'default' of the dataset.
Exception:    SplitsNotFoundError
Message:      The split names could not be parsed from the dataset config.
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 291, in _generate_tables
                  pa_table = paj.read_json(
                      io.BytesIO(batch), read_options=paj.ReadOptions(block_size=block_size)
                  )
                File "pyarrow/_json.pyx", line 364, in pyarrow._json.read_json
                File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
                  raise convert_status(status)
              pyarrow.lib.ArrowInvalid: JSON parse error: Column() changed from object to string in row 0
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
                  for split_generator in builder._split_generators(
                                         ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      StreamingDownloadManager(base_path=builder.base_path, download_config=download_config)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 101, in _split_generators
                  pa_table = next(iter(self._generate_tables(**splits[0].gen_kwargs, allow_full_read=False)))[1]
                             ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 306, in _generate_tables
                  batch = json_encode_fields_in_json_lines(original_batch, json_field_paths)
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/json.py", line 111, in json_encode_fields_in_json_lines
                  examples = [ujson_loads(line) for line in original_batch.splitlines()]
                              ~~~~~~~~~~~^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/json.py", line 20, in ujson_loads
                  return pd.io.json.ujson_loads(*args, **kwargs)
                         ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
              ValueError: Expected object or value
              
              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/split_names.py", line 68, in compute_split_names_from_streaming_response
                  for split in get_dataset_split_names(
                               ~~~~~~~~~~~~~~~~~~~~~~~^
                      path=dataset,
                      ^^^^^^^^^^^^^
                      config_name=config,
                      ^^^^^^^^^^^^^^^^^^^
                      token=hf_token,
                      ^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
                  info = get_dataset_config_info(
                      path,
                  ...<6 lines>...
                      **config_kwargs,
                  )
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
                  raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
              datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

post-deepswe-traj

SWE-bench Pro rollouts from mini-swe-agent 1.15.0, plus the pass/fail metadata for the same 731 instances.

The agent is mini-swe-agent (trajectory_format: mini-swe-agent-1), not the Codex harness and not SWE-agent. Each step is one THOUGHT plus one bash block, executed in the task Docker image with working directory /app and step_limit 250.

Files

File What it is
swebench_pro_qwen3.8-27b_before_after_lora_and_deepseek-v4.1-flash_traj.tar.zst The three trajectory sets
swebench_pro_qwen3.8-27b_before_after_lora_and_deepseek-v4.1-flash_score_metadata.json Which instances passed, failed, or were not scored

Extract with:

tar -I zstd -xf swebench_pro_qwen3.8-27b_before_after_lora_and_deepseek-v4.1-flash_traj.tar.zst

Directories inside the archive:

  • qwen3.8-27b_before_lora — base Qwen3.8-27B
  • qwen3.8-27b_after_lora — the same base after LoRA on 203 DeepSeek-correct / Qwen-wrong trajectories
  • deepseek-v4.1-flash — DeepSeek-v4.1-flash

A trajectory is <instance_id>/<instance_id>.traj.json. That instance_id is the same key as in the metadata.

Scores

The denominator is submissions that contain diff --git . A scored instance passes only when every fail-to-pass and pass-to-pass test passed. not_scored still has a trajectory; it was left out of the denominator because the submission had no diff.

Model Passed Failed Not scored Accuracy on scored
Qwen3.8-27B before LoRA 432 232 67 432/664 = 65.06%
Qwen3.8-27B after LoRA 558 112 61 558/670 = 83.28%
DeepSeek-v4.1-flash 596 84 51 596/680 = 87.65%

Nine before-LoRA trajectories live in qwen3.8-27b_before_lora/early_launch/. They are included in the 731 ids.

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