diff --git a/graphs/tarjans_scc.py b/graphs/tarjans_scc.py
index 30f8ca8a204f..dfd2e52704d5 100644
--- a/graphs/tarjans_scc.py
+++ b/graphs/tarjans_scc.py
@@ -77,7 +77,7 @@ def create_graph(n, edges):
     n_vertices = 7
     source = [0, 0, 1, 2, 3, 3, 4, 4, 6]
     target = [1, 3, 2, 0, 1, 4, 5, 6, 5]
-    edges = [(u, v) for u, v in zip(source, target)]
+    edges = list(zip(source, target))
     g = create_graph(n_vertices, edges)
 
     assert [[5], [6], [4], [3, 2, 1, 0]] == tarjan(g)