


from __future__ import annotations

import unittest

from transformers import is_tf_available
from transformers.testing_utils import require_sentencepiece, require_tf, require_tokenizers, slow


if is_tf_available():
     import tensorflow as tf

     from transformers import AutoTokenizer, TFAutoModelForSeqaSeqLM







@require_tf
@require_sentencepiece
@require_tokenizers
class 						_snake_case    ( unittest.TestCase				):




 @slow
 def 			SCREAMING_SNAKE_CASE__							(						self       ):
       a		:Dict									=			TFAutoModelForSeqaSeqLM.from_pretrained('''google/mt5-small'''       )
       a		:List[str]									=			AutoTokenizer.from_pretrained('''google/mt5-small'''       )

       a		:Optional[Any]									=			tokenizer('''Hello there'''   ,    return_tensors='''tf'''       ).input_ids
       a		:Union[str, Any]									=			tokenizer('''Hi I am'''   ,    return_tensors='''tf'''       ).input_ids

       a		:str									=			model(_lowerCamelCase   ,    labels=_lowerCamelCase       ).loss
       a		:Optional[int]									=			-tf.math.reduce_mean(_lowerCamelCase       ).numpy()

       a		:str									=			-21.22_8168
       self.assertTrue(abs(mtf_score - EXPECTED_SCORE       ) < 2e-4       )









snake_case							:       Any										=	{0: [2, 3], 1: [0], 2: [1], 3: [4], 4: []}

snake_case							:       Any										=	{0: [1, 2, 3], 1: [2], 2: [0], 3: [4], 4: [5], 5: [3]}
def 							__lowerCamelCase		(					UpperCAmelCase_		:						dict[int, list[int]]					,    UpperCAmelCase_		:						int					,    UpperCAmelCase_		:						list[bool]		):




      """simple docstring"""





      a		:Any									=			True
      a		:Any									=			[]

      for neighbour in graph[vert]:
            if not visited[neighbour]:
                  order += topology_sort(UpperCAmelCase_					,    UpperCAmelCase_					,    UpperCAmelCase_		)

      order.append(UpperCAmelCase_		)

      return order
def 							__lowerCamelCase		(					UpperCAmelCase_		:						dict[int, list[int]]					,    UpperCAmelCase_		:						int					,    UpperCAmelCase_		:						list[bool]		):




      """simple docstring"""





      a		:Optional[Any]									=			True
      a		:int									=			[vert]

      for neighbour in reversed_graph[vert]:
            if not visited[neighbour]:
                  component += find_components(UpperCAmelCase_					,    UpperCAmelCase_					,    UpperCAmelCase_		)

      return component






def 							__lowerCamelCase		(					UpperCAmelCase_		:						dict[int, list[int]]		):




      """simple docstring"""





      a		:int									=			len(UpperCAmelCase_		) * [False]
      a		:dict[int, list[int]]									=			{vert: [] for vert in range(len(UpperCAmelCase_		)		)}

      for vert, neighbours in graph.items():
            for neighbour in neighbours:
                  reversed_graph[neighbour].append(UpperCAmelCase_		)

      a		:Optional[Any]									=			[]
      for i, was_visited in enumerate(UpperCAmelCase_		):
            if not was_visited:
                  order += topology_sort(UpperCAmelCase_					,    UpperCAmelCase_					,    UpperCAmelCase_		)

      a		:Tuple									=			[]
      a		:int									=			len(UpperCAmelCase_		) * [False]

      for i in range(len(UpperCAmelCase_		)		):
            a		:Union[str, Any]									=			order[len(UpperCAmelCase_		) - i - 1]
            if not visited[vert]:
                  a		:Union[str, Any]									=			find_components(UpperCAmelCase_					,    UpperCAmelCase_					,    UpperCAmelCase_		)
                  components_list.append(UpperCAmelCase_		)

      return components_list





