Description of problem:
+ python /usr/share/java-utils/mvn_file.py ':{*}' @1
Traceback (most recent call last):
  File "/usr/share/java-utils/mvn_file.py", line 36, in <module>
    from javapackages.artifact import (Artifact, ArtifactFormatException,
  File "/usr/lib/python2.7/site-packages/javapackages/__init__.py", line 44, in <module>
     from javapackages.depmap import Depmap
  File "/usr/lib/python2.7/site-packages/javapackages/depmap.py", line 40, in <module>
     from javapackages.artifact import (Artifact, Dependency, ProvidedArtifact,
  File "/usr/lib/python2.7/site-packages/javapackages/artifact.py", line 40, in <module>
     import javapackages.metadata as m
  File "/usr/lib/python2.7/site-packages/javapackages/metadata.py", line 22, in <module>
     raise pyxb.PyXBVersionError(_PyXBVersion)
AttributeError :  'module' object has no attribute 'PyXBVersionError' 

Version-Release number of selected component (if applicable):
3.6.0-0.244.git9f2cc08

Steps to Reproduce:
Build sisu pkg (92f0e213d8)