diff --git a/tests/variables/test_globals.py b/tests/variables/test_globals.py
index cde8d79..0a2816b 100644
--- a/tests/variables/test_globals.py
+++ b/tests/variables/test_globals.py
@@ -1,5 +1,6 @@
 import io
 
+
 def test_single_key(get_contract, get_last_out):
     code = """
 amap: bytes32[bytes32]