#!/usr/bin/env python  
from pprint import pprint as pp  
from yaml import load,load_all,dump  
import yaml
import sys

hash= load(open('merge.yaml'))  
#pp(hash['mmio'])  
#print yaml.dump(hash['mmio'], default_flow_style=False)

Loader = yaml.SafeLoader
Dumper = yaml.SafeDumper

Dumper.ignore_aliases = lambda self, data: True
print yaml.dump(hash, sys.stdout, Dumper=Dumper)

#print(hash['AmcCarrier'])