Style fixes in util.version

qutebrowser/utils/version.py

@@ -59,6 +59,7 @@ def _release_info():
 
     Return:
         list of (filename, content) tuples.
+
     """
     data = []
     for fn in glob.glob("/etc/*-release"):
@@ -69,6 +70,7 @@ def _release_info():
             pass
     return data
 
+
 def version():
     """Return a string with various version informations."""
     releaseinfo = None