Formating with fmt

src/lang.rs

@@ -588,9 +588,7 @@ impl SRSModule for WorstWordsSRSModule {
         }
 
         match self.queue.pop() {
-            Some(index) => {
-                index
-            }
+            Some(index) => index,
             None => {
                 self.queue.append(&mut self.pool.clone());
                 self.rounds_remaining -= 1;