Installing /opt/zenoss/packs/NetAppMonitor-1.0.0-el5-i686.zip...
'import site' failed; use -v for traceback
Traceback (most recent call last):
  File "/opt/zenoss/Products/ZenUtils/zenpack.py", line 16, in ?
    from Products.ZenModel.ZenPack import ZenPack
  File "/opt/zenoss/Products/ZenModel/ZenPack.py", line 25, in ?
    import pkg_resources
ImportError: No module named pkg_resources