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Pandas 3.0 incompatible #780

@prteek

Description

@prteek

It seems that pandas 3.0 1-D array type has changed and is breaking skll.
The following is a traceback when trying to run titanic experiment from the docs

Traceback (most recent call last):
File "/Users/prateek/skll_test/.venv/bin/run_experiment", line 10, in
sys.exit(main())
~~~~^^
File "/Users/prateek/skll_test/.venv/lib/python3.13/site-packages/skll/utils/commandline/run_experiment.py", line 128, in main
run_configuration(
~~~~~~~~~~~~~~~~~^
config_file,
^^^^^^^^^^^^
...<6 lines>...
log_level=log_level,
^^^^^^^^^^^^^^^^^^^^
)
^
File "/Users/prateek/skll_test/.venv/lib/python3.13/site-packages/skll/experiments/init.py", line 959, in run_configuration
job_results.append(_classify_featureset(job_args))
~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
File "/Users/prateek/skll_test/.venv/lib/python3.13/site-packages/skll/experiments/init.py", line 234, in _classify_featureset
train_examples = load_featureset(
train_path,
...<9 lines>...
logger=logger,
)
File "/Users/prateek/skll_test/.venv/lib/python3.13/site-packages/skll/experiments/input.py", line 116, in load_featureset
).read()
~~~~^^
File "/Users/prateek/skll_test/.venv/lib/python3.13/site-packages/skll/data/readers.py", line 498, in read
return FeatureSet(
featureset_name, ids, labels=labels, features=features, vectorizer=self.vectorizer
)
File "/Users/prateek/skll_test/.venv/lib/python3.13/site-packages/skll/data/featureset.py", line 86, in init
raise ValueError("Ids must be a list or numpy array.")
ValueError: Ids must be a list or numpy array.

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