code: def test_error_on_unsupported_formatters(self):
      UNSUPPORTED = "pAn"
      for char in UNSUPPORTED:
          with pytest.raises(StreamlitAPIException) as exc_message:
              st.number_input(
                  "any label", value=3.14, format="%" + char
              )
  
imports: from unittest.mock import MagicMock, patch
  import pytest
  from parameterized import parameterized
  import streamlit
  from streamlit.errors import StreamlitAPIException
  from streamlit.js_number import JSNumber
  from streamlit.proto.Alert_pb2 import Alert
  from streamlit.proto.LabelVisibilityMessage_pb2 import LabelVisibilityMessage
  from streamlit.proto.NumberInput_pb2 import NumberInput
  from streamlit.proto.WidgetStates_pb2 import WidgetState
  from streamlit.testing.v1.app_test import AppTest
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 19 for calling the NumberInputTest obj's underlying member method code with example usage: obj.test_error_on_unsupported_formatters() without return types