diff -Naur a/tests/scrap_bench.py b/tests/scrap_bench.py
--- a/tests/scrap_bench.py	2022-01-05 17:13:26.000000000 +0000
+++ b/tests/scrap_bench.py	2022-06-24 14:33:10.215047579 +0100
@@ -22,7 +22,7 @@
     time2 = 0

     b_map.show()
-    while True:
+    for _ in range(100):
         time0 = time.time()
         times += time2
         for ob in rectangle.obs: