update vae odel

video_prediction_savp/video_prediction/models/vanilla_vae_model.py

@@ -74,6 +74,7 @@ class VanillaVAEVideoPredictionModel(BaseVideoPredictionModel):
         )
         return dict(itertools.chain(default_hparams.items(), hparams.items()))
 
+
     def build_graph(self,x):  
         self.x = x["images"]
         #self.global_step = tf.Variable(0, name = 'global_step', trainable = False)