stormpath_converter.py

import os
import json
from pprint import pprint

for filename in os.listdir('./'):
    if (filename.endswith('.json')):
        with open(filename, 'r') as json_file:
            data = json.load(json_file)

        if (data['email'] != data['username']):
            with open(filename, 'w') as json_file:
                print data['email']
                data['username'] = data['email']
                json.dump(data, json_file, indent=2, sort_keys=True)