--- a/targets/toolchain_makefile.py	Fri Sep 22 20:12:22 2017 +0300
+++ b/targets/toolchain_makefile.py	Thu Sep 28 12:20:40 2017 +0300
@@ -33,7 +33,7 @@
 includes_re = re.compile('\s*#include\s*["<]([^">]*)[">].*')
 
 
-class toolchain_makefile():
+class toolchain_makefile(object):
     def __init__(self, CTRInstance):
         self.CTRInstance = CTRInstance
         self.md5key = None