code: 
  
  
  
  
  # as due to their complexity multi-gpu tests could impact other tests, and to aid debug we have those in a separate module.
  
  import os
  import sys
  
  from transformers.testing_utils import TestCasePlus, execute_subprocess_async, get_gpu_count, require_torch_gpu, slow
  
  from .utils import load_json
  
  
  
  
  
  
  
  class     UpperCAmelCase_		(      lowercase				):
  
  
  
        """simple docstring"""
        @classmethod
        def 					UpperCAmelCase		(       cls				)       ->   List[Any]:
            return cls
  
  
  
  
        @slow
        @require_torch_gpu
        def 					UpperCAmelCase		(       self				)       ->   int:
            UpperCamelCase :int										=     self.get_auto_remove_tmp_dir()
            UpperCamelCase :List[str]										=     F'''
              --model_name Helsinki-NLP/opus-mt-en-ro
              --save_dir {output_dir}
              --data_dir {self.test_file_dir_str}/test_data/wmt_en_ro
              --num_beams 2
              --task translation
          '''.split()
  
            # we want this test to run even if there is only one GPU, but if there are more we use them all
            UpperCamelCase :List[str]										=     get_gpu_count()
            UpperCamelCase :Optional[Any]										=     F'''
              -m torch.distributed.launch
              --nproc_per_node={n_gpu}
              {self.test_file_dir}/run_distributed_eval.py
          '''.split()
            UpperCamelCase :List[Any]										=     [sys.executable] + distributed_args + args
            execute_subprocess_async(SCREAMING_SNAKE_CASE_					,       env=self.get_env()				)
  
            UpperCamelCase :Tuple										=     os.path.join(SCREAMING_SNAKE_CASE_					,       '''test_bleu.json'''				)
            UpperCamelCase :str										=     load_json(SCREAMING_SNAKE_CASE_				)
            # print(metrics)
            self.assertGreaterEqual(metrics['''bleu''']					,       25				)
  
  
  
  
  
  
style_context: 
  
  
  
  
  
  
  from __future__ import annotations
  
  from typing import Generic, TypeVar
  
  __snake_case							      =						TypeVar("""T""")
  
  
  
  
  
  
  
  class     UpperCAmelCase_		(      lowercase				):
  
  
  
        """simple docstring"""
        pass
  
  
  
  
  
  
  
  class     UpperCAmelCase_		(      lowercase				):
  
  
  
        """simple docstring"""
        pass
  
  
  
  
  
  
  
  class     UpperCAmelCase_		(      Generic[T]				):
  
  
  
        """simple docstring"""
        def __init__(       self					,       SCREAMING_SNAKE_CASE_ = 10				)       ->   List[str]:
            UpperCamelCase :list[T]										=     []
            UpperCamelCase :Any										=     limit
        def __bool__(       self				)       ->   bool:
            return bool(self.stack				)
        def __str__(       self				)       ->   str:
            return str(self.stack				)
        def 					UpperCAmelCase		(       self					,       SCREAMING_SNAKE_CASE_				)       ->   None:
            if len(self.stack				) >= self.limit:
                raise StackOverflowError
            self.stack.append(SCREAMING_SNAKE_CASE_				)
        def 					UpperCAmelCase		(       self				)       ->   T:
            if not self.stack:
                raise StackUnderflowError
            return self.stack.pop()
        def 					UpperCAmelCase		(       self				)       ->   T:
            if not self.stack:
                raise StackUnderflowError
            return self.stack[-1]
        def 					UpperCAmelCase		(       self				)       ->   bool:
            return not bool(self.stack				)
        def 					UpperCAmelCase		(       self				)       ->   bool:
            return self.size() == self.limit
        def 					UpperCAmelCase		(       self				)       ->   int:
            return len(self.stack				)
  
  
  
  
        def __contains__(       self					,       SCREAMING_SNAKE_CASE_				)       ->   bool:
            return item in self.stack
  
  
  
  
  
  
  
  def 						_A     (       ):
      UpperCamelCase :Stack[int]										=     Stack(10 )
      assert bool(SCREAMING_SNAKE_CASE__ ) is False
      assert stack.is_empty() is True
      assert stack.is_full() is False
      assert str(SCREAMING_SNAKE_CASE__ ) == "[]"
  
      try:
          UpperCamelCase :Optional[int]										=     stack.pop()
          raise AssertionError  # This should not happen
      except StackUnderflowError:
          assert True  # This should happen
  
      try:
          UpperCamelCase :Union[str, Any]										=     stack.peek()
          raise AssertionError  # This should not happen
      except StackUnderflowError:
          assert True  # This should happen
  
      for i in range(10 ):
          assert stack.size() == i
          stack.push(SCREAMING_SNAKE_CASE__ )
  
      assert bool(SCREAMING_SNAKE_CASE__ )
      assert not stack.is_empty()
      assert stack.is_full()
      assert str(SCREAMING_SNAKE_CASE__ ) == str(list(range(10 ) ) )
      assert stack.pop() == 9
      assert stack.peek() == 8
  
      stack.push(100 )
      assert str(SCREAMING_SNAKE_CASE__ ) == str([0, 1, 2, 3, 4, 5, 6, 7, 8, 100] )
  
      try:
          stack.push(200 )
          raise AssertionError  # This should not happen
      except StackOverflowError:
          assert True  # This should happen
  
      assert not stack.is_empty()
      assert stack.size() == 10
  
      assert 5 in stack
      assert 55 not in stack
  
  
  if __name__ == "__main__":
   test_stack()
  
  
  
  
  
  