powerwaked crashed with ImportError in /usr/lib/python2.7/dist-packages/powerwake/monitors/ARPMonitor.py: No module named scapy.all

TEST CASE:
0. Pre-requisite: python-scapy must not already be installed on the system
1. Install powerwaked

EXPECTED RESULT
Daemon powerwaked starts

ACTUAL RESULT
It crashes with the trace
Traceback (most recent call last):
  File "/usr/sbin/powerwaked", line 186, in <module>
    MONITORS = powerwake.get_monitors()
  File "/usr/lib/python2.7/dist-packages/powerwake/powerwake.py", line 69, in get_monitors
    from monitors import ARPMonitor
  File "/usr/lib/python2.7/dist-packages/powerwake/monitors/ARPMonitor.py", line 23, in <module>
    from scapy.all import *
ImportError: No module named scapy.all

WORKAROUND
apt-get install python-scapy

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: powerwaked 2.14-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-9.15-generic 3.0.3
Uname: Linux 3.0.0-9-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sat Sep 3 17:23:51 2011
ExecutablePath: /usr/sbin/powerwaked
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/sbin/powerwaked
ProcEnviron: PATH=(custom, no user)
PythonArgs: ['/usr/sbin/powerwaked']
SourcePackage: powernap
Title: powerwaked crashed with ImportError in /usr/lib/python2.7/dist-packages/powerwake/monitors/ARPMonitor.py: No module named scapy.all
UpgradeStatus: No upgrade log present (probably fresh install)
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