code: def is_ext_pack_usable(self, name):
          
          if not isinstance(name, basestring):
              raise TypeError("name can only be an instance of type basestring")
          usable = self._call("isExtPackUsable",
                       in_p=[name])
          return usable
docs: Check if the given extension pack is loaded and usable.
  
          in name of type str
              The name of the extension pack to check for.
  
          return usable of type bool
              Is the given extension pack loaded and usable.