diff --git a/vdirsyncer/storage/filesystem.py b/vdirsyncer/storage/filesystem.py
index 4f5ca01..8d0a616 100644
--- a/vdirsyncer/storage/filesystem.py
+++ b/vdirsyncer/storage/filesystem.py
@@ -105,7 +105,6 @@ class FilesystemStorage(Storage):
         if not isinstance(item.raw, text_type):
             raise TypeError('item.raw must be a unicode string.')
 
-
         try:
             with atomic_write(fpath, binary=True, overwrite=False) as f:
                 f.write(item.raw.encode(self.encoding))