Include new line at the end of the file.

app/Helpers/Chart/MetaPieChart.php

@@ -279,4 +279,4 @@ class MetaPieChart implements MetaPieChartInterface
         return $chartData;
 
     }
-}
+}

app/Helpers/Chart/MetaPieChartInterface.php

@@ -79,4 +79,4 @@ interface MetaPieChartInterface
      */
     public function setUser(User $user): MetaPieChartInterface;
 
-}
+}