diff --git a/src/amrex/Array4.py b/src/amrex/Array4.py
index 78e1a62d..4dde7368 100644
--- a/src/amrex/Array4.py
+++ b/src/amrex/Array4.py
@@ -6,6 +6,7 @@
 License: BSD-3-Clause-LBNL
 """
 
+
 def array4_to_numpy(self, copy=False, order="F"):
     """
     Provide a Numpy view into an Array4.