my paint throws error

Paste the text as an update....

Traceback (most recent call last):
  File "/usr/share/mypaint/gui/drawwindow.py", line 905, quit_cb(self=<Window object at 0x9eaccac (GtkWindow at 0x9fa7800)>, *junk=(<Window object at 0x9eaccac (GtkWindow at 0x9fa7800)>, <gtk.gdk.Event at 0xb909ad0: GDK_DELETE>))
            self.app.doc.model.split_stroke()
            self.app.save_gui_config() # FIXME: should do this periodically, not only on quit
  variables: {'self.app.save_gui_config': ('local', <bound method Application.save_gui_config of <gui.application.Application instance at 0x9cd7eac>>)}
  File "/usr/share/mypaint/gui/application.py", line 387, save_gui_config(self=<gui.application.Application instance>)
            gtk.accel_map_save(join(self.confpath, 'accelmap.conf'))
            self.save_settings()
  variables: {'self.save_settings': ('local', <bound method Application.save_settings of <gui.application.Application instance at 0x9cd7eac>>)}
  File "/usr/share/mypaint/gui/application.py", line 163, save_settings(self=<gui.application.Application instance>)
            self.brushmanager.save_brush_history()
            self.filehandler.save_scratchpad(self.scratchpad_filename)
            save_config()
  variables: {'self.scratchpad_filename': ('local', u'/home/saethu/.mypaint/scratchpads/autosave.ora'), 'self.filehandler.save_scratchpad': ('local', <bound method FileHandler.wrapper of <gui.filehandling.FileHandler object at 0x9f453ec>>)}
  File "/usr/share/mypaint/gui/drawwindow.py", line 46, wrapper(self=<gui.filehandling.FileHandler object>, *args=(u'/home/saethu/.mypaint/scratchpads/autosave.ora',), **kwargs={})
            try:
                func(self, *args, **kwargs)
                # gtk main loop may be called in here...
  variables: {'self': ('local', <gui.filehandling.FileHandler object at 0x9f453ec>), 'args': ('local', (u'/home/saethu/.mypaint/scratchpads/autosave.ora',)), 'func': ('local', <function save_scratchpad at 0x9cc79cc>), 'kwargs': ('local', {})}
  File "/usr/share/mypaint/gui/filehandling.py", line 300, save_scratchpad(self=<gui.filehandling.FileHandler object>, filename=u'/home/saethu/.mypaint/scratchpads/autosave.ora', export=False, **options={})
                w, h = tiledsurface.N, tiledsurface.N # TODO: support for other sizes
            thumbnail_pixbuf = self.save_doc_to_file(filename, self.app.scratchpad_doc, export=export, **options)
            if not export:
  variables: {'thumbnail_pixbuf': (None, []), 'self.app.scratchpad_doc': ('local', <gui.document.Document object at 0x9ce55ec>), 'filename': ('local', u'/home/saethu/.mypaint/scratchpads/autosave.ora'), 'export': ('local', False), 'self.save_doc_to_file': ('local', <bound method FileHandler.save_doc_to_file of <gui.filehandling.FileHandler object at 0x9f453ec>>), 'options': ('local', {})}
  File "/usr/share/mypaint/gui/filehandling.py", line 311, save_doc_to_file(self=<gui.filehandling.FileHandler object>, filename=u'/home/saethu/.mypaint/scratchpads/autosave.ora', doc=<gui.document.Document object>, export=False, **options={})
                    w, h = tiledsurface.N, tiledsurface.N # TODO: support for other sizes
                thumbnail_pixbuf = doc.model.save(filename, feedback_cb=self.gtk_main_tick, **options)
                self.lastsavefailed = False
  variables: {'thumbnail_pixbuf': ('local', None), 'self.gtk_main_tick': ('local', <function gtk_main_tick at 0x9cc787c>), 'feedback_cb': (None, []), 'filename': ('local', u'/home/saethu/.mypaint/scratchpads/autosave.ora'), 'doc.model.save': ('local', <bound method Document.save of <lib.document.Document instance at 0x9ce5bac>>), 'options': ('local', {})}
  File "/usr/share/mypaint/lib/document.py", line 367, save(self=<lib.document.Document instance>, filename=u'/home/saethu/.mypaint/scratchpads/autosave.ora', **kwargs={'feedback_cb': <function gtk_main_tick>})
            try:
                save(filename, **kwargs)
            except gobject.GError, e:
  variables: {'kwargs': ('local', {'feedback_cb': <function gtk_main_tick at 0x9cc787c>}), 'save': ('local', <bound method Document.save_ora of <lib.document.Document instance at 0x9ce5bac>>), 'filename': ('local', u'/home/saethu/.mypaint/scratchpads/autosave.ora')}
  File "/usr/share/mypaint/lib/document.py", line 579, save_ora(self=<lib.document.Document instance>, filename=u'/home/saethu/.mypaint/scratchpads/autosave.ora', options=None, **kwargs={'feedback_cb': <function gtk_main_tick>})
                os.remove(filename) # windows needs that
            os.rename(filename + '.tmpsave', filename)
  variables: {'os.rename': ('global', <built-in function rename>), 'filename': ('local', u'/home/saethu/.mypaint/scratchpads/autosave.ora')}
OSError: [Errno 2] No such file or directory
This error report attached as update

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