已经严格按照cocos2d-x-3.3/tools/tolua/README.mdown步骤执行了
还是报错：
PYTHON_BIN not defined, use current python.
generating userconf.ini…
Generating bindings for cocos2dx…
Traceback (most recent call last):
File “/Users/**/Documents/cocos2d-x-3.3/tools/bindings-generator/generator.py”, line 11, in
import yaml
ImportError: No module named yaml
Generating lua bindings fails.
mac osx 10.10.3