我的操作系统是 macOS Sierra, 10.12.5，我使用的是 Anaconda 和 python 2.7。安装后，当我尝试： import lightgbm as lgb 我收到以下消息：
OSError Traceback (most recent call last)
<ipython-input-28-2ae3725bef24> in <module>()
----> 1 import lightgbm as lgb
/Users/tenggao/anaconda/lib/python2.7/site-packages/lightgbm/__init__.py in <module>()
7 from __future__ import absolute_import
8
----> 9 from .basic import Booster, Dataset
10 from .callback import (early_stopping, print_evaluation, record_evaluation,
11 reset_parameter)
/Users/tenggao/anaconda/lib/python2.7/site-packages/lightgbm/basic.py in <module>()
29
30
---> 31 _LIB = _load_lib()
32
33
/Users/tenggao/anaconda/lib/python2.7/site-packages/lightgbm/basic.py in _load_lib()
24 if len(lib_path) == 0:
25 raise Exception("cannot find LightGBM library")
---> …