NO-JIRA: Make the python test install depend on the python files.
- So just after the previous checkin Gordon changed the python
  code. This made me think that the python install needs to have
  the dependencies!

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1561130 13f79535-47bb-0310-9956-ffa450edef68