Update app.py

app.py

@@ -7,6 +7,7 @@ st.code(output.decode("utf-8"))
 
 MODEL_NAME = "stas/mt5-tiny-random"
 
+from transformers import AutoTokenizer
 from fastT5 import export_and_get_onnx_model, get_onnx_model  # this line will throw an error
 
 model = export_and_get_onnx_model(MODEL_NAME)