fix tensor

flash_vstream/serve/demo.py

@@ -72,8 +72,8 @@ class Chat:
                 sample_pos = all_pos
 
             patch_numpy = vreader.get_batch(sample_pos).asnumpy()
-            patch_images = Image.fromarray(patch_numpy)
-            return patch_images
+            print("patch_numpy", patch_numpy.shape)
+            return patch_numpy
 
     @torch.inference_mode()
     def generate(self, images_tensor, prompt, first_run, state):