def get_merged_dict(self):
		table_list = []
		env = self
		while 1:
			table_list.insert(0, env.table)
			try: env = env.parent
			except AttributeError: break
		merged_table = {}
		for table in table_list:
			merged_table.update(table)
		return merged_table
try with the user-defined timestamp then try the default timestamp.
dataset/ETHPy150Open appcelerator-archive/poc-nodejs-desktop/Resources/nodejs/builds/linux/node/lib/node/wafadmin/Environment.py/Environment.get_merged_dict--crossover with--dataset/ETHPy150Open FichteFoll/FileHistory/file_history.py/FileHistory.timestamp_from_string