PEP8 related improvements

Author: frenzymadness

tests/parse_ifconfig.py

@@ -118,6 +118,7 @@ def get_device_by_name(self, devname):
                 return dev
         raise ValueError('device not found: %r' % devname)
 
+
 class Device:
     """
     Wrapper around a device entry within the output of "ifconfig"
@@ -529,10 +530,11 @@ def _parse_line_old(self, line):
 
         raise ValueError('parser could not handle line: %r' % line)
 
-#ifconfig = IfConfig()
-#for dev in ifconfig.devices:
+# ifconfig = IfConfig()
+# for dev in ifconfig.devices:
 #    print(dev)
 
+
 class ParserTests(unittest.TestCase):
     def test_full(self):
         # Parse a complex pre-canned output from ifconfig