def open_connection(self, parameters):
    credentials = parameters[self.PARAM_CREDENTIALS]
    return boto.ec2.connect_to_region(parameters[self.PARAM_REGION],
      aws_access_key_id=credentials['EC2_ACCESS_KEY'],
      aws_secret_access_key=credentials['EC2_SECRET_KEY'])
Write the configuration to the last file opened using the
dataset/ETHPy150Open AppScale/appscale-tools/lib/agents/ec2_agent.py/EC2Agent.open_connection--crossover with--dataset/ETHPy150Open kivy/kivy/kivy/config.py/ConfigParser.write