> > Looks like a localisation issue. Your floats are formatted as "6,6584e+01", whereas the JSON decoder expects "6.6584e+01".
> 
> This should be fixed in the latest commit to the midas develop branch. The JSON specification requires a dot for the decimal separator, so we must ignore the user's locale when formatting floats/doubles for JSON.
> 
> I've tested the fix on my machine by manually changing the locale, and also added an automated test in the python directory.

Thanks very macth Ben,
so if I understand correctly we have to update MIDAS to latest develop branch available? can you sand me the link to be sure of install the right update. 
can you also tell me how you fix manually? we are restarting and then well be difficult install and makes updete.
thank you again, regards, Giovanni