Merge pull request #252 from sieben/useless_parenthesis

fixup: useless_parenthesis

examples/nat.py

@@ -59,7 +59,7 @@ def fixNetworkManager( root, intf ):
     cfile = '/etc/network/interfaces'
     line = '\niface %s inet manual\n' % intf
     config = open( cfile ).read()
-    if ( line ) not in config:
+    if line not in config:
         print '*** Adding', line.strip(), 'to', cfile
         with open( cfile, 'a' ) as f:
             f.write( line )