Removed multiple imports of the same module and moved all imports to
the top.
It is not necessary to import a module each time one of its
functions/classes is used.
For readability each import should get its own line.
Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Message-Id: <1452525484-32309-2-git-send-email-frankja@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
c81ab0ac90