Small changes to get_knex.

server/knex/get_knex.ts

@@ -1,6 +1,5 @@
 const environment = process.env.ENVIRONMENT || 'development'
 import config from '../knexfile';
-import Knex from 'knex';
 
 export default function get_knex() {
     if (!Object.keys(config).includes(environment)) {