Ubiquity bug

xubuntu@xubuntu:~$ ubiquity
Traceback (most recent call last):
  File "/usr/bin/ubiquity", line 10, in <module>
    import subprocess
  File "/usr/lib/python3.2/subprocess.py", line 381, in <module>
    import pickle
ValueError: bad marshal data (unknown type code)
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 64, in apport_excepthook
    from apport.fileutils import likely_packaged, get_recent_crashes
  File "/usr/lib/python3/dist-packages/apport/__init__.py", line 4, in <module>
    from apport.report import Report
  File "/usr/lib/python3/dist-packages/apport/report.py", line 12, in <module>
    import subprocess, tempfile, os.path, re, pwd, grp, os
  File "/usr/lib/python3.2/subprocess.py", line 381, in <module>
    import pickle
ValueError: bad marshal data (unknown type code)

Original exception was:
Traceback (most recent call last):
  File "/usr/bin/ubiquity", line 10, in <module>
    import subprocess
  File "/usr/lib/python3.2/subprocess.py", line 381, in <module>
    import pickle
ValueError: bad marshal data (unknown type code)

xubuntu@xubuntu:~$ ubiquity -d
Traceback (most recent call last):
  File "/usr/bin/ubiquity", line 10, in <module>
    import subprocess
  File "/usr/lib/python3.2/subprocess.py", line 381, in <module>
    import pickle
ValueError: bad marshal data (unknown type code)
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 64, in apport_excepthook
    from apport.fileutils import likely_packaged, get_recent_crashes
  File "/usr/lib/python3/dist-packages/apport/__init__.py", line 4, in <module>
    from apport.report import Report
  File "/usr/lib/python3/dist-packages/apport/report.py", line 12, in <module>
    import subprocess, tempfile, os.path, re, pwd, grp, os
  File "/usr/lib/python3.2/subprocess.py", line 381, in <module>
    import pickle
ValueError: bad marshal data (unknown type code)

Original exception was:
Traceback (most recent call last):
  File "/usr/bin/ubiquity", line 10, in <module>
    import subprocess
  File "/usr/lib/python3.2/subprocess.py", line 381, in <module>
    import pickle
ValueError: bad marshal data (unknown type code)