code: def copy_to_local(self, src, localdest, **kwargs):
          
          with self.open(src, **kwargs) as fsrc:
              with io.open(localdest, 'wb') as fdst:
                  shutil.copyfileobj(fsrc, fdst)
docs: Copy a single file from ``src`` to the local file system
  
          Takes all arguments that :py:meth:`open` takes.