text: """
  Copyright 2020 The OneFlow Authors. All rights reserved.
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  """
  from oneflow.compatible.single_client.framework import hob as hob
  from oneflow.compatible.single_client.support import enable_if as enable_if
  
  
  def api_enable_typing_check(val: bool = True) -> None:
      """ enable typing check for global_function """
      return enable_if.unique([enable_typing_check])(val)
  
  
  @enable_if.condition(hob.in_normal_mode & ~hob.any_global_function_defined)
  def enable_typing_check(val):
      global typing_check_enabled
      typing_check_enabled = val
  
  
  typing_check_enabled = False
  