missing depends -- python-psutil

ubuntu@sapodilla:~$ euca-get-credentials cerdea
Traceback (most recent call last):
  File "/usr/sbin/euca-get-credentials", line 2, in <module>
    import sys, os, boto, psutil, re, getpass
ImportError: No module named psutil

ubuntu@sapodilla:~$ sudo apt-get install python-psutil
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  python-psutil
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 54.1 kB of archives.
After this operation, 221 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu/ natty/universe python-psutil all 0.1.3-1 [54.1 kB]
Fetched 54.1 kB in 0s (1382 kB/s)
Selecting previously deselected package python-psutil.
(Reading database ... 59366 files and directories currently installed.)
Unpacking python-psutil (from .../python-psutil_0.1.3-1_all.deb) ...
Setting up python-psutil (0.1.3-1) ...
Processing triggers for python-support ...
ubuntu@sapodilla:~$ euca-get-credentials cerdea
Traceback (most recent call last):
  File "/usr/sbin/euca-get-credentials", line 3, in <module>
    from euca_admin import local
ImportError: cannot import name local
ubuntu@sapodilla:~$

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: eucalyptus-common 2.0.1+bzr1256-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-5.32-server 2.6.38-rc6
Uname: Linux 2.6.38-5-server x86_64
.etc.eucalyptus.eucalyptus.cc.conf: CC_NAME="UEC-TEST1"
Architecture: amd64
Date: Tue Mar 8 18:21:32 2011
ProcEnviron:
 LC_TIME=en_DK.utf8
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: eucalyptus
UpgradeStatus: No upgrade log present (probably fresh install)