Update app.py

app.py

@@ -61,7 +61,7 @@ def predict(model_name, input_img):
         experiment_dirname="",
     )
 
-    data_args = DataArgs(batch_size=batch_size, color_mode="L", num_workers=NUM_WORKERS)
+    data_args = DataArgs(batch_size=batch_size, color_mode="L")
     trainer_args = TrainerArgs(progress_bar_refresh_rate=0)
     decode_args = DecodeArgs(
         include_img_ids=True,