fix vae nan bug

app.py

@@ -490,6 +490,8 @@ def get_ref_anno(ref):
     )
     print(f"image.max(): {image.max()}, image.min(): {image.min()}")
     print(f"opts.latent_scaling_factor: {opts.latent_scaling_factor}")
+    print(f"autoencoder encoder before operating max: {min([p.min() for p in autoencoder.encoder.parameters()])}")
+    print(f"autoencoder encoder before operating min: {max([p.max() for p in autoencoder.encoder.parameters()])}")
     latent = opts.latent_scaling_factor * autoencoder.encode(image).sample()
     print(f"latent.max(): {latent.max()}, latent.min(): {latent.min()}")
     if not REF_POSE_MASK: