code: def dependencies(self, user=None, napp=None):
          
          napps = self._get_napp_key('napp_dependencies', user, napp)
          return [tuple(napp.split('/')) for napp in napps]
docs: Get napp_dependencies from install NApp.
  
          Args:
              user(string)  A Username.
              napp(string): A NApp name.
          Returns:
              napps(list): List with tuples with Username and NApp name.
                           e.g. [('kytos'/'of_core'), ('kytos/of_l2ls')]