code: def delete(self, cachedir=None, cfgstr=None, verbose=True or VERBOSE or util_arg.VERBOSE):
          
          fpath = self.get_fpath(cachedir, cfgstr=cfgstr)
          if verbose:
              print('[Cachable] cache delete: %r' % (basename(fpath),))
          os.remove(fpath)
docs: saves query result to directory