Error message while running scons

[ManzoroB]

In source code from web page:
NameError: name 'Options' is not defined:
File "/home/mbrugno/Descargas/klick-0.12.2/SConstruct", line 15:
opts = Options('scache.conf')

Also in te github Master:
AttributeError: '_Environ' object has no attribute 'has_key':
File "/home/mbrugno/Descargas/klick-master/SConstruct", line 14:
if os.environ.has_key('CXX'):