pycentral crashed with IOError in msg() on aptitude removal

Binary package hint: python-central

When aptitude upgrade today
aptitude said he uninstall python3.* beacause not needed anymore

Removing python3-minimal ...
Removing python3.0 ...
Removing python3.0-minimal ...
Unlinking and removing bytecode for runtime python3.0
Traceback (most recent call last):
  File "/usr/bin/pycentral", line 2143, in <module>
    main()
  File "/usr/bin/pycentral", line 2133, in main
    if action.check_args(global_options):
  File "/usr/bin/pycentral", line 1725, in check_args
    self.error('installed runtime %s not found' % self.rtname)
  File "/usr/bin/pycentral", line 1317, in error
    logging.error('%s %s: %s' % (program, self.name, msg))
  File "/usr/bin/pycentral", line 2096, in error
    self.msg(self.ERROR, s)
  File "/usr/bin/pycentral", line 2088, in msg
    self.fd.flush()
IOError: [Errno 28] No space left on device
Processing triggers for man-db ...

There is actually more than 1,5 GO of free space on the drive, so why "IOError: [Errno 28] No space left on device" ??

Ubuntu 9.10 "Jaunty", up to date, with linux-image-2.6.28-8-netbook-eeepc specific kernel, on & for (obviously) EEEPC 901

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/pycentral
InterpreterPath: /usr/bin/python2.6
Package: python-central 0.6.11ubuntu2 [modified: var/lib/pycentral/pkgremove]
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/pycentral rtremove python3.0
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/pycentral', 'rtremove', 'python3.0']
SourcePackage: python-central
Title: pycentral crashed with IOError in msg()
Uname: Linux 2.6.28-8-netbook-eeepc i686
UserGroups: