diff --git a/src/balancer/adaptive_weight.rs b/src/balancer/adaptive_weight.rs
index dcef3dc..875ceea 100644
--- a/src/balancer/adaptive_weight.rs
+++ b/src/balancer/adaptive_weight.rs
@@ -72,7 +72,7 @@ impl Balancer for AdaptiveWeightBalancer {
 
         let safe_w_sum = w_sum.max(1e-12);
         let threshold = self.alpha * (r_sum / safe_w_sum);
-
+        
         for idx in 0..self.pool.len() {
             let node = &self.pool[idx];
 
@@ -264,4 +264,4 @@ mod tests {
         // expect server with smallest current_load server-1
         assert_eq!(chosen.id, "server-1");
     }
-}
\ No newline at end of file
+}