diff --git a/notebook_nueva/zero_holder.py b/notebook_nueva/zero_holder.py
index b6ee2b4..1b3c96e 100644
--- a/notebook_nueva/zero_holder.py
+++ b/notebook_nueva/zero_holder.py
@@ -2,9 +2,7 @@ import cadquery as cq
 
 positions = [(0, 0), (0, 23), (58, 23), (58, 0)]
 
-stands = (
-    cq.Sketch().push(positions).circle(3, mode="a").circle(2.65 / 2, mode="s")
-)
+stands = cq.Sketch().push(positions).circle(3, mode="a").circle(2.65 / 2, mode="s")
 pillar_height = 7
 
 elements = [
@@ -15,4 +13,4 @@ elements = [
         "shape": stands,
         "height": pillar_height,
     }
-]
\ No newline at end of file
+]