Introduce a warn

Signed-off-by: Šimon Brandner <[email protected]>

Author: SimonBrandner

crates/oblichey-cli/src/main.rs

@@ -17,6 +17,7 @@ use processors::face::{FaceEmbedding, FaceForGUI};
 use processors::face_processor::FaceProcessor;
 use processors::scan_processor::ScanProcessor;
 use std::collections::HashMap;
+use std::process;
 use std::process::ExitCode;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, Mutex};