Saving problem with version 163

[Chopinet]

In some case, it is not possible to save .aex file, but no error message in console.

Other case : not possible to save stiffness file .csv error is (even is the folder is created before) :

Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\openfovea\openfovea_gui.py", line 1041, in
 on_menu_export_stiffness_activate
    self.experiment.export_stiffness(filename)
  File "C:\Python27\lib\site-packages\openfovea\classes.py", line 2477, in expor
t_stiffness
    fid = open(this_file, 'wb')
IOError: [Errno 2] No such file or directory: 'G:\\These\\AFM\\DATA\\121019 fix\
xc3\xa9 - ADN +EP + 15 min 2 cell\\cellule 2\\fovea\\map-data-2012.10.19-14.05.5
5.jpk-force-map_Deep_0.csv'