diff --git a/code_to_optimize/topological_sort.py b/code_to_optimize/topological_sort.py
index 9bcd70c8b..6d3fa457a 100644
--- a/code_to_optimize/topological_sort.py
+++ b/code_to_optimize/topological_sort.py
@@ -28,4 +28,4 @@ class Graph:
             if visited[i] == False:
                 self.topologicalSortUtil(i, visited, stack)
 
-        return stack, str(sorting_id)
\ No newline at end of file
+        return stack, str(sorting_id)