diff --git a/core/json/ser.rs b/core/json/ser.rs
index c80b976f4..22adb0060 100644
--- a/core/json/ser.rs
+++ b/core/json/ser.rs
@@ -1194,4 +1194,4 @@ where
     }
 
     Ok(())
-}
\ No newline at end of file
+}