diff --git a/masque/file/dxf.py b/masque/file/dxf.py
index 335cd80..737a915 100644
--- a/masque/file/dxf.py
+++ b/masque/file/dxf.py
@@ -24,6 +24,7 @@ from ..utils import remove_colinear_vertices, normalize_mirror
 
 logger = logging.getLogger(__name__)
 
+
 logger.warning('DXF support is experimental and only slightly tested!')