Use zero bottom margin.
diff --git a/Modules/_decimal/tests/bignum.py b/Modules/_decimal/tests/bignum.py
index 9e9e769..a67e161 100644
--- a/Modules/_decimal/tests/bignum.py
+++ b/Modules/_decimal/tests/bignum.py
@@ -40,6 +40,3 @@
 h2 = hash(d)
 
 assert h2 == h1
-
-
-