Pre-underscore os.system _vm
@@ -943,7 +943,7 @@ fn os_chdir(path: PyStringRef, vm: &VirtualMachine) -> PyResult<()> {
}
#[cfg(unix)]
-fn os_system(command: PyStringRef, vm: &VirtualMachine) -> PyResult<i32> {
+fn os_system(command: PyStringRef, _vm: &VirtualMachine) -> PyResult<i32> {
use libc::system;
use std::ffi::CString;
