PEP8 / Flake8 cleanups for setup.py

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

pylibfdt/setup.py

@@ -21,6 +21,7 @@ def get_version():
     m = re.match(VERSION_PATTERN, f.readline())
     return m.group(1)
 
+
 setupdir = os.path.dirname(os.path.abspath(sys.argv[0]))
 os.chdir(setupdir)