Return types in funcs

src/functions/checkLock.ts

@@ -1,8 +1,6 @@
-import uuid from 'uuid/v4';
 import { Client } from '..';
-import { RichEmbed } from '../class';
 
-export default function checkLock(client: Client) {
+export default function checkLock(client: Client): void {
   setInterval(async () => {
     try {
       const moderations = await client.db.Moderation.find();

src/functions/dataConversion.ts

@@ -1,4 +1,4 @@
-export default function dataConversion(bytes) {
+export default function dataConversion(bytes: number): string {
   const i = Math.floor(Math.log(bytes) / Math.log(1024));
   const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
   if (bytes === 0) {