def make_empty(self, axes=None):
if axes is None:<EOL><INDENT>axes = [ensure_index([])] + [ensure_index(a)<EOL>for a in self.axes[<NUM_LIT:1>:]]<EOL><DEDENT>if self.ndim == <NUM_LIT:1>:<EOL><INDENT>blocks = np.array([], dtype=self.array_dtype)<EOL><DEDENT>else:<EOL><INDENT>blocks = []<EOL><DEDENT>return self.__class__(blocks, axes)<EOL>
return an empty BlockManager with the items axis of len 0