Do not create a tensor from input_tensor

dan/predict/prediction.py

@@ -283,7 +283,7 @@ def process_image(
     logger.debug("Image pre-processed.")
 
     # Convert to tensor of size (batch_size, channel, height, width) with batch_size=1
-    input_tensor = torch.tensor(im_p).unsqueeze(0)
+    input_tensor = im_p.unsqueeze(0)
     input_tensor = input_tensor.to(device)
     input_sizes = [im_p.shape[1:]]