codestyle fix

src/services/exporter.ts

@@ -1,4 +1,3 @@
-import { promisify } from 'util'
 import { getApiKey } from './api_keys';
 import {  toIsoString } from '../utils';
 import { DashboardQuery, ExportProgress, ExportStatus, ExportTask } from '../types';
@@ -15,6 +14,8 @@ import * as csv from 'fast-csv';
 import * as fs from 'fs';
 import * as path from 'path';
 import { URL } from 'url';
+import { promisify } from 'util';
+
 import * as _ from 'lodash';
 
 const MS_IN_DAY = 24 * 60 * 60 * 1000;