add option n_view

unet/mv_unet.py

@@ -159,6 +159,7 @@ class UnifieldWrappedUNet(UNet2DConditionModel):
                 num_modalities = num_modalities,    
                 base_img_size = latent_size,      
                 chain_pos = multiview_chain_pose,
+                views=n_views
             ) 
         
         switch_multiview_processor(self, enable_filter=lambda name: name.endswith(f"{multiview_attn_position}.processor"))