Function warn

crates/vm/src/warn.rs:301–309

(
    message: PyObjectRef,
    category: Option<PyTypeRef>,
    stack_level: isize,
    source: Option<PyObjectRef>,
    vm: &VirtualMachine,
)

}

pub fn warn(
    message: PyObjectRef,
    category: Option<PyTypeRef>,
    stack_level: isize,
    source: Option<PyObjectRef>,
    vm: &VirtualMachine,
) -> PyResult<()> {
    warn_with_skip(message, category, stack_level, source, None, vm)
}

/// do_warn: resolve context via setup_context, then call warn_explicit.
pub fn warn_with_skip(