$ git clone git@github.com:euske/pdfminer.git
Cloning into 'pdfminer'...
Warning: Permanently added the RSA host key for IP address 'XXX.XXX.XXX.XXX' to the list of known hosts.
Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
using ssh: