def before(*k):
	def deco(func):
		setattr(task_gen, func.__name__, func)
		for fun_name in k:
			if not task_gen.prec[fun_name] in func.__name__:
				task_gen.prec[fun_name].append(func.__name__)
		return func
	return deco
dataset/ETHPy150Open appcelerator-archive/poc-nodejs-desktop/Resources/nodejs/builds/linux/node/lib/node/wafadmin/TaskGen.py/before/swapped operands of `in`