Update inference.py

inference.py

@@ -430,7 +430,8 @@ def filter_detection_size(inference, image_meter_width, width, max_length):
             print(x.shape)
             output[xi] = x
 
-        print("output len", len(output))
+        output = torch.tensor(output)
+        print("output len", output.shape)
         outputs.append(output)
          
     print(len(outputs))