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| import pytest
|
| import pandas as pd
| from pandas.tests.extension.list.array import (
| ListArray,
| ListDtype,
| make_data,
| )
|
|
| @pytest.fixture
| def dtype():
| return ListDtype()
|
|
| @pytest.fixture
| def data():
| """Length-100 ListArray for semantics test."""
| data = make_data()
|
| while len(data[0]) == len(data[1]):
| data = make_data()
|
| return ListArray(data)
|
|
| def test_to_csv(data):
| # https://github.com/pandas-dev/pandas/issues/28840
| # array with list-likes fail when doing astype(str) on the numpy array
| # which was done in to_native_types
| df = pd.DataFrame({"a": data})
| res = df.to_csv()
| assert str(data[0]) in res
|
|
