diff --git a/src/config.rs b/src/config.rs
index 0fca24d..b9dc3ee 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -773,7 +773,7 @@ pub enum DefaultShard {
     Shard(usize),
     Random,
     RandomHealthy,
-    Fail
+    Fail,
 }
 impl Default for DefaultShard {
     fn default() -> Self {
diff --git a/src/errors.rs b/src/errors.rs
index 8dc93ab..66a5b52 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -30,7 +30,7 @@ pub enum Error {
     QueryRouterError(String),
     InvalidShardId(usize),
     PreparedStatementError,
-    NoShardSelected
+    NoShardSelected,
 }
 
 #[derive(Clone, PartialEq, Debug)]
diff --git a/src/pool.rs b/src/pool.rs
index 76e70a7..5f044d8 100644
--- a/src/pool.rs
+++ b/src/pool.rs
@@ -719,8 +719,8 @@ impl ConnectionPool {
                             .partial_cmp(&a.error_count.load(Ordering::Relaxed))
                             .unwrap()
                     });
-                },
-                DefaultShard::Fail => return Err(Error::NoShardSelected)
+                }
+                DefaultShard::Fail => return Err(Error::NoShardSelected),
             },
         };