Bug#861736:

[PICCA Frederic-Emmanuel]

here the error message

~/Debian/nexus/bugs$ ./bug.py
Traceback (most recent call last):
  File "./bug.py", line 15, in <module>
    f.flush()
  File "/usr/lib/python2.7/dist-packages/nxs/napi.py", line 397, in flush
    raise NeXusError, "Could not flush NeXus file %s"%(self.filename)
nxs.napi.NeXusError: Could not flush NeXus file /tmp/foo.h5