bzr push fails with sftp for solaris host ?

[David Cournapeau]

Hi,

    I am using bzr for some time now, but I always have a puzzling 
problem when pushing to sftp. When I want to push to a remove machine I 
can log to through ssh, I try:

bzr push sftp://user@host/~/boulot/papers

and bzr tells me

bzr: ERROR: syserr: File exists, file: boulot/papers/RobustSpeech2008

Which is strange because the given directory does not exists before I 
call bzr (bzr creates it). Could this is be because the host runs 
solaris and solaris ssh (I do not have problems with pushing through 
sftp to my own machine, which runs Ubuntu) ?

cheers,

David