bug fix for when modelLoaded callback is not supplied

Author: ziyuan-linn

examples/Handpose/script.js

@@ -8,7 +8,7 @@ function setup() {
   video.size(width, height);
 
   const options = { maxHands: 2 };
-  handpose = ml5.handpose(video, options);
+  handpose = ml5.handpose(video, options, modelReady);
 
   // This sets up an event that fills the global variable "predictions"
   // with an array every time new hand poses are detected

src/Handpose/index.js

@@ -91,7 +91,7 @@ class Handpose extends EventEmitter {
 const handpose = (...inputs) => {
   const { video, options = {}, callback } = handleArguments(...inputs);
   const instance = new Handpose(video, options, callback);
-  return callback ? instance : instance.ready;
+  return instance;
 };
 
 export default handpose;