Save: Fix unicode issue.

dstat_interface/main.py

@@ -653,12 +653,12 @@ class Main(object):
             # Autosaving
             if self.autosave_checkbox.get_active():
                 save.autoSave(self.current_exp,
-                              self.autosavedir_button.get_filename(),
+                              self.autosavedir_button.get_filename().decode('utf-8'),
                               self.autosavename.get_text()
                               )
 
                 save.autoPlot(self.current_exp,
-                              self.autosavedir_button.get_filename(),
+                              self.autosavedir_button.get_filename().decode('utf-8'),
                               self.autosavename.get_text()
                               )