You have to start d-cm from command line
first cd into d-cm
then start the file "d-cm.py"
NOT dcm.py
There was a bug in DSend and I uploaded the fix, to use it, extract the package to the Addons directory and overwrite or first delete the previous DSend directory
if you can't start d-cm with the tips from above, download the test.py file (to d-cm folder)
and then run that in your terminal.
This will check whether all modules d-cm needs are installed