Corrected wrong method

src/main.rs

@@ -71,7 +71,7 @@ fn wg_with_text(
 
     let wg_output_string = String::from_utf8(wg_output.stdout)?;
     let wg = WireGuard::try_from(&wg_output_string as &str)?;
-    Ok(Response::new(Body::from(wg.render())))
+    Ok(Response::new(Body::from(wg.render_with_names(Some(&pehm)))))
 }
 
 fn perform_request(

src/wireguard.rs

@@ -126,7 +126,7 @@ impl TryFrom<&str> for WireGuard {
 }
 
 impl WireGuard {
-    fn render_with_names(&self, pehm: Option<&PeerEntryHashMap>) -> String {
+    pub(crate) fn render_with_names(&self, pehm: Option<&PeerEntryHashMap>) -> String {
         let mut latest_handshakes = Vec::new();
         let mut sent_bytes = Vec::new();
         let mut received_bytes = Vec::new();