AttributeError: module 'xmind' has no attribute 'load'

[hippocampus24]

Traceback (most recent call last):
File "xmind.py", line 1, in
import xmind
File "/home/user/tool-package/xmind.py", line 48, in
gen_my_xmind_file()
File "/home/user/tool-package/xmind.py", line 4, in gen_my_xmind_file
workbook = xmind.load("my.xmind")
AttributeError: module 'xmind' has no attribute 'load'