Datasets:

---

predict-quant

/

poly-btc-orderbook

like 3

Follow

PredictQuant 2

Error code:   DatasetGenerationError
Exception:    CastError
Message:      Couldn't cast
event_type: string
market: string
timestamp: int64
asset_id: string
bids: list<item: struct<price: double, size: double>>
  child 0, item: struct<price: double, size: double>
      child 0, price: double
      child 1, size: double
asks: list<item: struct<price: double, size: double>>
  child 0, item: struct<price: double, size: double>
      child 0, price: double
      child 1, size: double
hash: string
price_changes: list<item: struct<asset_id: string, price: double, size: double, side: string, hash: string, best_bi (... 29 chars omitted)
  child 0, item: struct<asset_id: string, price: double, size: double, side: string, hash: string, best_bid: double,  (... 17 chars omitted)
      child 0, asset_id: string
      child 1, price: double
      child 2, size: double
      child 3, side: string
      child 4, hash: string
      child 5, best_bid: double
      child 6, best_ask: double
fee_rate_bps: double
price: double
side: string
size: double
old_tick_size: double
new_tick_size: double
to
{'event_type': Value('string'), 'market': Value('string'), 'timestamp': Value('int64'), 'asset_id': Value('string'), 'bids': List({'price': Value('float64'), 'size': Value('float64')}), 'asks': List({'price': Value('float64'), 'size': Value('float64')}), 'hash': Value('string'), 'price_changes': List({'asset_id': Value('string'), 'price': Value('float64'), 'size': Value('float64'), 'side': Value('string'), 'hash': Value('string'), 'best_bid': Value('float64'), 'best_ask': Value('float64')}), 'fee_rate_bps': Value('float64'), 'price': Value('float64'), 'side': Value('string'), 'size': Value('float64')}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1872, in _prepare_split_single
                  for key, table in generator:
                                    ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 609, in wrapped
                  for item in generator(*args, **kwargs):
                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 289, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 124, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2272, in table_cast
                  return cast_table_to_schema(table, schema)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2218, in cast_table_to_schema
                  raise CastError(
              datasets.table.CastError: Couldn't cast
              event_type: string
              market: string
              timestamp: int64
              asset_id: string
              bids: list<item: struct<price: double, size: double>>
                child 0, item: struct<price: double, size: double>
                    child 0, price: double
                    child 1, size: double
              asks: list<item: struct<price: double, size: double>>
                child 0, item: struct<price: double, size: double>
                    child 0, price: double
                    child 1, size: double
              hash: string
              price_changes: list<item: struct<asset_id: string, price: double, size: double, side: string, hash: string, best_bi (... 29 chars omitted)
                child 0, item: struct<asset_id: string, price: double, size: double, side: string, hash: string, best_bid: double,  (... 17 chars omitted)
                    child 0, asset_id: string
                    child 1, price: double
                    child 2, size: double
                    child 3, side: string
                    child 4, hash: string
                    child 5, best_bid: double
                    child 6, best_ask: double
              fee_rate_bps: double
              price: double
              side: string
              size: double
              old_tick_size: double
              new_tick_size: double
              to
              {'event_type': Value('string'), 'market': Value('string'), 'timestamp': Value('int64'), 'asset_id': Value('string'), 'bids': List({'price': Value('float64'), 'size': Value('float64')}), 'asks': List({'price': Value('float64'), 'size': Value('float64')}), 'hash': Value('string'), 'price_changes': List({'asset_id': Value('string'), 'price': Value('float64'), 'size': Value('float64'), 'side': Value('string'), 'hash': Value('string'), 'best_bid': Value('float64'), 'best_ask': Value('float64')}), 'fee_rate_bps': Value('float64'), 'price': Value('float64'), 'side': Value('string'), 'size': Value('float64')}
              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 1342, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 907, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1739, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1922, 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