[user@LocalSystem build]$ printenv | grep PATH
PATH=/usr/local/bitbake/bin:/usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/home/sriram/bin
BBPATH=/home/user/oe/build:/home/user/oe/openembedded
PYTHONPATH=/usr/local/bitbake/lib/python2.3/site-packages/bb/

[user@LocalSystem build]$ bitbake gcc-cross
Traceback (most recent call last):
  File "/usr/local/bitbake/bin/bitbake", line 26, in ?
    import bb
ImportError: No module named bb