help me, error import module

hi everybodyi need user sequitur g2p and i installed it , when i run g2p.py then error:

python2.7 g2p.py --train train.lex --devel 5% --write-model model-1
Traceback (most recent call last):
  File "g2p.py", line 38, in <module>
    import SequiturTool
ImportError: No module named SequiturTool
and
i installed sequitur g2p to /usr/local/install/g2p/
and i run g2p.py in : ./g2p/bin/
and i fond file SequiturTool.py in ./g2p/lib64/python2.7/site-packages/
so how to when i run g2p.py than it find SequiturTool.py
pls, help me