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try_init_once_cell_py_attached

pyo3::sync::once_lock

Function try_init_once_cell_py_attached

fn try_init_once_cell_py_attached<'a, F, T, E>(
    cell: &'a OnceCell<T>,
    _py: Python<'_>,
    f: F,
) -> Result<&'a T, E>where
    F: FnOnce() -> Result<T, E>,