iPython 2.3.0-2 cannot save or autosave over mounted directory via sshfs
A workaround for this bug is to add this options to the file /etc/auto.sshfs:
workaround=rename,noexec
The full line of my /etc/auto.sshfs is:
home_pro -fstype=fuse,port=22,rw,allow_other,workaround=rename,noexec :sshfs\#username@hostname\:/path/to/the/directory/to/mount