def assert_all_finite(X):
    _assert_all_finite(X.data if sp.issparse(X) else X)
Test that the backend's FOR UPDATE NOWAIT variant appears in
dataset/ETHPy150Open scikit-learn/scikit-learn/sklearn/utils/validation.py/assert_all_finite--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/tests/modeltests/select_for_update/tests.py/SelectForUpdateTests.test_for_update_sql_generated_nowait