diff --git a/pangolin/__init__.py b/pangolin/__init__.py
index 146eb61..bdaa721 100644
--- a/pangolin/__init__.py
+++ b/pangolin/__init__.py
@@ -1,7 +1,6 @@
 _program = "pangolin"
 __version__ = "3.1.3"
 
-
 __all__ = ["pangolearn",
     "utils"]