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"""Tests for making sure experimental imports work as expected."""
import textwrap
import pytest
from sklearn.utils._testing import assert_run_python_script_without_output
from sklearn.utils.fixes import _IS_WASM
@pytest.mark.xfail(_IS_WASM, reason="cannot start subprocess")
def test_import_raises_warning():
code = """
import pytest
with pytest.warns(UserWarning, match="it is not needed to import"):
from sklearn.experimental import enable_hist_gradient_boosting # noqa
"""
pattern = "it is not needed to import enable_hist_gradient_boosting anymore"
assert_run_python_script_without_output(textwrap.dedent(code), pattern=pattern)
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