Fix posenet on video ready

Author: cvalenzuela

src/PoseNet/index.js

@@ -41,11 +41,12 @@ class PoseNet extends EventEmitter {
   async load() {
     this.net = await posenet.load(this.multiplier);
 
-    if (this.video && this.video.readyState === 0) {
-      await new Promise((resolve) => {
-        this.video.onloadeddata = () => resolve();
-      });
-
+    if (this.video) {
+      if (this.video.readyState === 0) {
+        await new Promise((resolve) => {
+          this.video.onloadeddata = () => resolve();
+        });
+      }
       if (this.detectionType === 'single') {
         this.singlePose();
       }

src/YOLO/index.js

@@ -51,7 +51,6 @@ class YOLOBase extends Video {
     if (this.videoElt && !this.video) {
       this.video = await this.loadVideo();
     }
-
     this.model = await tf.loadModel(URL);
     this.modelReady = true;
     return this;