According to the instruction, I first installed scons and tested it, it seems working:
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~/scons-2.1.0$ scons --version
SCons by Steven Knight et al.:
script: v2.1.0.r5357[MODIFIED], 2011/09/09 21:31:03, by bdeegan
on ubuntu
engine: v2.1.0.r5357[MODIFIED], 2011/09/09 21:31:03, by bdeegan
on ubuntu
engine path: ['/usr/local/lib/scons-2.1.0/SCons']
Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
2010,
2011 The SCons Foundation
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Then I run Resetta installation and get error below: