




'''simple docstring'''




from collections import OrderedDict
from typing import TYPE_CHECKING, Any, Mapping, Optional, Union

from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxConfig
from ...utils import logging


if TYPE_CHECKING:
    from ... import FeatureExtractionMixin, PreTrainedTokenizerBase, TensorType


UpperCAmelCase_       				=      logging.get_logger(__name__)

UpperCAmelCase_       				=      {
    'microsoft/deberta-base': 'https://huggingface.co/microsoft/deberta-base/resolve/main/config.json',
    'microsoft/deberta-large': 'https://huggingface.co/microsoft/deberta-large/resolve/main/config.json',
    'microsoft/deberta-xlarge': 'https://huggingface.co/microsoft/deberta-xlarge/resolve/main/config.json',
    'microsoft/deberta-base-mnli': 'https://huggingface.co/microsoft/deberta-base-mnli/resolve/main/config.json',
    'microsoft/deberta-large-mnli': 'https://huggingface.co/microsoft/deberta-large-mnli/resolve/main/config.json',
    'microsoft/deberta-xlarge-mnli': 'https://huggingface.co/microsoft/deberta-xlarge-mnli/resolve/main/config.json',
}

class 						lowerCAmelCase_   ( lowerCamelCase_   ):







  '''simple docstring'''







  lowerCAmelCase_				:					List[Any]				     =						"""deberta"""


  def __init__(						self    :	List[Any]						,		_UpperCAmelCase    :	Optional[Any]=5_02_65						,		_UpperCAmelCase    :	Dict=7_68						,		_UpperCAmelCase    :	List[str]=12						,		_UpperCAmelCase    :	Union[str, Any]=12						,		_UpperCAmelCase    :	Union[str, Any]=30_72						,		_UpperCAmelCase    :	Any="gelu"						,		_UpperCAmelCase    :	List[Any]=0.1						,		_UpperCAmelCase    :	List[Any]=0.1						,		_UpperCAmelCase    :	Tuple=5_12						,		_UpperCAmelCase    :	Tuple=0						,		_UpperCAmelCase    :	str=0.02						,		_UpperCAmelCase    :	Any=1E-7						,		_UpperCAmelCase    :	List[Any]=False						,		_UpperCAmelCase    :	Any=-1						,		_UpperCAmelCase    :	List[str]=0						,		_UpperCAmelCase    :	Dict=True						,		_UpperCAmelCase    :	Optional[Any]=None						,		_UpperCAmelCase    :	Union[str, Any]=0						,		_UpperCAmelCase    :	Any="gelu"						,		**_UpperCAmelCase    :	List[Any]						,		):






   """simple docstring"""






   super().__init__(**_UpperCAmelCase )

   UpperCAmelCase__										=    hidden_size
   UpperCAmelCase__										=    num_hidden_layers
   UpperCAmelCase__										=    num_attention_heads
   UpperCAmelCase__										=    intermediate_size
   UpperCAmelCase__										=    hidden_act
   UpperCAmelCase__										=    hidden_dropout_prob
   UpperCAmelCase__										=    attention_probs_dropout_prob
   UpperCAmelCase__										=    max_position_embeddings
   UpperCAmelCase__										=    type_vocab_size
   UpperCAmelCase__										=    initializer_range
   UpperCAmelCase__										=    relative_attention
   UpperCAmelCase__										=    max_relative_positions
   UpperCAmelCase__										=    pad_token_id
   UpperCAmelCase__										=    position_biased_input

   # Backwards compatibility
   if type(_UpperCAmelCase ) == str:
    UpperCAmelCase__										=    [x.strip() for x in pos_att_type.lower().split("""|""" )]

   UpperCAmelCase__										=    pos_att_type
   UpperCAmelCase__										=    vocab_size
   UpperCAmelCase__										=    layer_norm_eps

   UpperCAmelCase__										=    kwargs.get("""pooler_hidden_size"""						,		_UpperCAmelCase )
   UpperCAmelCase__										=    pooler_dropout
   UpperCAmelCase__										=    pooler_hidden_act

class 						lowerCAmelCase_   ( lowerCamelCase_   ):







  '''simple docstring'''







  @property
  def 							SCREAMING_SNAKE_CASE__			(						self    :	Dict ):






   """simple docstring"""






   if self.task == "multiple-choice":
    UpperCAmelCase__										=    {0: """batch""", 1: """choice""", 2: """sequence"""}
   else:
    UpperCAmelCase__										=    {0: """batch""", 1: """sequence"""}
   if self._config.type_vocab_size > 0:
    return OrderedDict(
        [("""input_ids""", dynamic_axis), ("""attention_mask""", dynamic_axis), ("""token_type_ids""", dynamic_axis)] )
   else:
    return OrderedDict([("""input_ids""", dynamic_axis), ("""attention_mask""", dynamic_axis)] )


  @property
  def 							SCREAMING_SNAKE_CASE__			(						self    :	int ):






   """simple docstring"""






   return 12



  def 							SCREAMING_SNAKE_CASE__			(						self    :	Dict						,		_UpperCAmelCase    :	Union["PreTrainedTokenizerBase", "FeatureExtractionMixin"]						,		_UpperCAmelCase    :	int = -1						,		_UpperCAmelCase    :	int = -1						,		_UpperCAmelCase    :	int = -1						,		_UpperCAmelCase    :	bool = False						,		_UpperCAmelCase    :	Optional["TensorType"] = None						,		_UpperCAmelCase    :	int = 3						,		_UpperCAmelCase    :	int = 40						,		_UpperCAmelCase    :	int = 40						,		_UpperCAmelCase    :	"PreTrainedTokenizerBase" = None						,		):






   """simple docstring"""






   UpperCAmelCase__										=    super().generate_dummy_inputs(preprocessor=_UpperCAmelCase						,		framework=_UpperCAmelCase )
   if self._config.type_vocab_size == 0 and "token_type_ids" in dummy_inputs:
    del dummy_inputs["token_type_ids"]
   return dummy_inputs






'''simple docstring'''




import collections
import inspect
import unittest

from transformers import DinatConfig
from transformers.testing_utils import require_natten, require_torch, require_vision, slow, torch_device
from transformers.utils import cached_property, is_torch_available, is_vision_available

from ...test_backbone_common import BackboneTesterMixin
from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, _config_zero_init, floats_tensor, ids_tensor
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
    import torch
    from torch import nn

    from transformers import DinatBackbone, DinatForImageClassification, DinatModel
    from transformers.models.dinat.modeling_dinat import DINAT_PRETRAINED_MODEL_ARCHIVE_LIST

if is_vision_available():
    from PIL import Image

    from transformers import AutoImageProcessor

class 						lowerCAmelCase_   :







  '''simple docstring'''







  def __init__(						self    :	Union[str, Any]						,		_UpperCAmelCase    :	List[Any]						,		_UpperCAmelCase    :	int=13						,		_UpperCAmelCase    :	List[str]=64						,		_UpperCAmelCase    :	List[str]=4						,		_UpperCAmelCase    :	int=3						,		_UpperCAmelCase    :	Tuple=16						,		_UpperCAmelCase    :	Optional[Any]=[1, 2, 1]						,		_UpperCAmelCase    :	List[Any]=[2, 4, 8]						,		_UpperCAmelCase    :	str=3						,		_UpperCAmelCase    :	Tuple=[[3], [1, 2], [1]]						,		_UpperCAmelCase    :	Union[str, Any]=2.0						,		_UpperCAmelCase    :	List[str]=True						,		_UpperCAmelCase    :	Optional[int]=0.0						,		_UpperCAmelCase    :	Optional[Any]=0.0						,		_UpperCAmelCase    :	List[str]=0.1						,		_UpperCAmelCase    :	str="gelu"						,		_UpperCAmelCase    :	List[str]=True						,		_UpperCAmelCase    :	Tuple=0.02						,		_UpperCAmelCase    :	Optional[Any]=1E-5						,		_UpperCAmelCase    :	Any=True						,		_UpperCAmelCase    :	List[str]=None						,		_UpperCAmelCase    :	Any=True						,		_UpperCAmelCase    :	List[str]=10						,		_UpperCAmelCase    :	Any=["stage1", "stage2"]						,		_UpperCAmelCase    :	Union[str, Any]=[1, 2]						,		):






   """simple docstring"""






   UpperCAmelCase__										=    parent
   UpperCAmelCase__										=    batch_size
   UpperCAmelCase__										=    image_size
   UpperCAmelCase__										=    patch_size
   UpperCAmelCase__										=    num_channels
   UpperCAmelCase__										=    embed_dim
   UpperCAmelCase__										=    depths
   UpperCAmelCase__										=    num_heads
   UpperCAmelCase__										=    kernel_size
   UpperCAmelCase__										=    dilations
   UpperCAmelCase__										=    mlp_ratio
   UpperCAmelCase__										=    qkv_bias
   UpperCAmelCase__										=    hidden_dropout_prob
   UpperCAmelCase__										=    attention_probs_dropout_prob
   UpperCAmelCase__										=    drop_path_rate
   UpperCAmelCase__										=    hidden_act
   UpperCAmelCase__										=    patch_norm
   UpperCAmelCase__										=    layer_norm_eps
   UpperCAmelCase__										=    initializer_range
   UpperCAmelCase__										=    is_training
   UpperCAmelCase__										=    scope
   UpperCAmelCase__										=    use_labels
   UpperCAmelCase__										=    num_labels
   UpperCAmelCase__										=    out_features
   UpperCAmelCase__										=    out_indices


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[int] ):






   """simple docstring"""






   UpperCAmelCase__										=    floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size] )

   UpperCAmelCase__										=    None
   if self.use_labels:
    UpperCAmelCase__										=    ids_tensor([self.batch_size]						,		self.num_labels )

   UpperCAmelCase__										=    self.get_config()

   return config, pixel_values, labels


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Any ):






   """simple docstring"""






   return DinatConfig(
       num_labels=self.num_labels						,		image_size=self.image_size						,		patch_size=self.patch_size						,		num_channels=self.num_channels						,		embed_dim=self.embed_dim						,		depths=self.depths						,		num_heads=self.num_heads						,		kernel_size=self.kernel_size						,		dilations=self.dilations						,		mlp_ratio=self.mlp_ratio						,		qkv_bias=self.qkv_bias						,		hidden_dropout_prob=self.hidden_dropout_prob						,		attention_probs_dropout_prob=self.attention_probs_dropout_prob						,		drop_path_rate=self.drop_path_rate						,		hidden_act=self.hidden_act						,		patch_norm=self.patch_norm						,		layer_norm_eps=self.layer_norm_eps						,		initializer_range=self.initializer_range						,		out_features=self.out_features						,		out_indices=self.out_indices						,		)


  def 							SCREAMING_SNAKE_CASE__			(						self    :	int						,		_UpperCAmelCase    :	Optional[Any]						,		_UpperCAmelCase    :	int						,		_UpperCAmelCase    :	Tuple ):






   """simple docstring"""






   UpperCAmelCase__										=    DinatModel(config=_UpperCAmelCase )
   model.to(_UpperCAmelCase )
   model.eval()
   UpperCAmelCase__										=    model(_UpperCAmelCase )

   UpperCAmelCase__										=    UpperCAmelCase__										=    (config.image_size // config.patch_size) // (2 ** (len(config.depths ) - 1))
   UpperCAmelCase__										=    int(config.embed_dim * 2 ** (len(config.depths ) - 1) )

   self.parent.assertEqual(
       result.last_hidden_state.shape						,		(self.batch_size, expected_height, expected_width, expected_dim) )


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[int]						,		_UpperCAmelCase    :	str						,		_UpperCAmelCase    :	int						,		_UpperCAmelCase    :	str ):






   """simple docstring"""






   UpperCAmelCase__										=    DinatForImageClassification(_UpperCAmelCase )
   model.to(_UpperCAmelCase )
   model.eval()
   UpperCAmelCase__										=    model(_UpperCAmelCase						,		labels=_UpperCAmelCase )
   self.parent.assertEqual(result.logits.shape						,		(self.batch_size, self.num_labels) )

   # test greyscale images
   UpperCAmelCase__										=    1
   UpperCAmelCase__										=    DinatForImageClassification(_UpperCAmelCase )
   model.to(_UpperCAmelCase )
   model.eval()

   UpperCAmelCase__										=    floats_tensor([self.batch_size, 1, self.image_size, self.image_size] )
   UpperCAmelCase__										=    model(_UpperCAmelCase )
   self.parent.assertEqual(result.logits.shape						,		(self.batch_size, self.num_labels) )


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Any						,		_UpperCAmelCase    :	List[Any]						,		_UpperCAmelCase    :	List[str]						,		_UpperCAmelCase    :	Any ):






   """simple docstring"""






   UpperCAmelCase__										=    DinatBackbone(config=_UpperCAmelCase )
   model.to(_UpperCAmelCase )
   model.eval()
   UpperCAmelCase__										=    model(_UpperCAmelCase )

   # verify hidden states
   self.parent.assertEqual(len(result.feature_maps )						,		len(config.out_features ) )
   self.parent.assertListEqual(list(result.feature_maps[0].shape )						,		[self.batch_size, model.channels[0], 16, 16] )

   # verify channels
   self.parent.assertEqual(len(model.channels )						,		len(config.out_features ) )

   # verify backbone works with out_features=None
   UpperCAmelCase__										=    None
   UpperCAmelCase__										=    DinatBackbone(config=_UpperCAmelCase )
   model.to(_UpperCAmelCase )
   model.eval()
   UpperCAmelCase__										=    model(_UpperCAmelCase )

   # verify feature maps
   self.parent.assertEqual(len(result.feature_maps )						,		1 )
   self.parent.assertListEqual(list(result.feature_maps[0].shape )						,		[self.batch_size, model.channels[-1], 4, 4] )

   # verify channels
   self.parent.assertEqual(len(model.channels )						,		1 )



  def 							SCREAMING_SNAKE_CASE__			(						self    :	Tuple ):






   """simple docstring"""






   UpperCAmelCase__										=    self.prepare_config_and_inputs()
   UpperCAmelCase__							,			UpperCAmelCase__							,			UpperCAmelCase__										=    config_and_inputs
   UpperCAmelCase__										=    {"""pixel_values""": pixel_values}
   return config, inputs_dict

@require_natten
@require_torch
class 						lowerCAmelCase_   ( lowerCamelCase_			,  lowerCamelCase_			,  unittest.TestCase   ):







  '''simple docstring'''







  lowerCAmelCase_				:					List[str]				     =						(
      (
          DinatModel,
          DinatForImageClassification,
          DinatBackbone,
      )
      if is_torch_available()
      else ()
  )
  lowerCAmelCase_				:					List[str]				     =						(
      {"""feature-extraction""": DinatModel, """image-classification""": DinatForImageClassification}
      if is_torch_available()
      else {}
  )
  lowerCAmelCase_				:					Union[str, Any]				     =						False

  lowerCAmelCase_				:					Union[str, Any]				     =						False
  lowerCAmelCase_				:					List[str]				     =						False
  lowerCAmelCase_				:					Any				     =						False
  lowerCAmelCase_				:					Any				     =						False


  def 							SCREAMING_SNAKE_CASE__			(						self    :	List[Any] ):






   """simple docstring"""






   UpperCAmelCase__										=    DinatModelTester(self )
   UpperCAmelCase__										=    ConfigTester(self						,		config_class=_UpperCAmelCase						,		embed_dim=37 )


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[Any] ):






   """simple docstring"""






   self.create_and_test_config_common_properties()
   self.config_tester.create_and_test_config_to_json_string()
   self.config_tester.create_and_test_config_to_json_file()
   self.config_tester.create_and_test_config_from_and_save_pretrained()
   self.config_tester.create_and_test_config_with_num_labels()
   self.config_tester.check_config_can_be_init_without_params()
   self.config_tester.check_config_arguments_init()


  def 							SCREAMING_SNAKE_CASE__			(						self    :	int ):






   """simple docstring"""






   return


  def 							SCREAMING_SNAKE_CASE__			(						self    :	List[str] ):






   """simple docstring"""






   UpperCAmelCase__										=    self.model_tester.prepare_config_and_inputs()
   self.model_tester.create_and_check_model(*_UpperCAmelCase )


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Union[str, Any] ):






   """simple docstring"""






   UpperCAmelCase__										=    self.model_tester.prepare_config_and_inputs()
   self.model_tester.create_and_check_for_image_classification(*_UpperCAmelCase )


  def 							SCREAMING_SNAKE_CASE__			(						self    :	str ):






   """simple docstring"""






   UpperCAmelCase__										=    self.model_tester.prepare_config_and_inputs()
   self.model_tester.create_and_check_backbone(*_UpperCAmelCase )


  @unittest.skip(reason="""Dinat does not use inputs_embeds""" )
  def 							SCREAMING_SNAKE_CASE__			(						self    :	Dict ):






   """simple docstring"""






   pass


  @unittest.skip(reason="""Dinat does not use feedforward chunking""" )
  def 							SCREAMING_SNAKE_CASE__			(						self    :	List[str] ):






   """simple docstring"""






   pass


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[int] ):






   """simple docstring"""






   UpperCAmelCase__							,			UpperCAmelCase__										=    self.model_tester.prepare_config_and_inputs_for_common()

   for model_class in self.all_model_classes:
    UpperCAmelCase__										=    model_class(_UpperCAmelCase )
    self.assertIsInstance(model.get_input_embeddings()						,		(nn.Module) )
    UpperCAmelCase__										=    model.get_output_embeddings()
    self.assertTrue(x is None or isinstance(_UpperCAmelCase						,		nn.Linear ) )


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[Any] ):






   """simple docstring"""






   UpperCAmelCase__							,			UpperCAmelCase__										=    self.model_tester.prepare_config_and_inputs_for_common()

   for model_class in self.all_model_classes:
    UpperCAmelCase__										=    model_class(_UpperCAmelCase )
    UpperCAmelCase__										=    inspect.signature(model.forward )
    # signature.parameters is an OrderedDict => so arg_names order is deterministic
    UpperCAmelCase__										=    [*signature.parameters.keys()]

    UpperCAmelCase__										=    ["""pixel_values"""]
    self.assertListEqual(arg_names[:1]						,		_UpperCAmelCase )


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Any ):






   """simple docstring"""






   self.skipTest("""Dinat's attention operation is handled entirely by NATTEN.""" )


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Any						,		_UpperCAmelCase    :	Optional[Any]						,		_UpperCAmelCase    :	List[str]						,		_UpperCAmelCase    :	Optional[Any]						,		_UpperCAmelCase    :	Dict ):






   """simple docstring"""






   UpperCAmelCase__										=    model_class(_UpperCAmelCase )
   model.to(_UpperCAmelCase )
   model.eval()

   with torch.no_grad():
    UpperCAmelCase__										=    model(**self._prepare_for_class(_UpperCAmelCase						,		_UpperCAmelCase ) )

   UpperCAmelCase__										=    outputs.hidden_states

   UpperCAmelCase__										=    getattr(
       self.model_tester						,		"""expected_num_hidden_layers"""						,		len(self.model_tester.depths ) + 1 )
   self.assertEqual(len(_UpperCAmelCase )						,		_UpperCAmelCase )

   # Dinat has a different seq_length
   UpperCAmelCase__										=    (
       config.patch_size
       if isinstance(config.patch_size						,		collections.abc.Iterable )
       else (config.patch_size, config.patch_size)
   )

   UpperCAmelCase__										=    image_size[0] // patch_size[0]
   UpperCAmelCase__										=    image_size[1] // patch_size[1]

   self.assertListEqual(
       list(hidden_states[0].shape[-3:] )						,		[height, width, self.model_tester.embed_dim]						,		)

   if model_class.__name__ != "DinatBackbone":
    UpperCAmelCase__										=    outputs.reshaped_hidden_states
    self.assertEqual(len(_UpperCAmelCase )						,		_UpperCAmelCase )

    UpperCAmelCase__							,			UpperCAmelCase__							,			UpperCAmelCase__							,			UpperCAmelCase__										=    reshaped_hidden_states[0].shape
    UpperCAmelCase__										=    (
        reshaped_hidden_states[0].view(_UpperCAmelCase						,		_UpperCAmelCase						,		_UpperCAmelCase						,		_UpperCAmelCase ).permute(0						,		2						,		3						,		1 )
    )
    self.assertListEqual(
        list(reshaped_hidden_states.shape[-3:] )						,		[height, width, self.model_tester.embed_dim]						,		)


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[int] ):






   """simple docstring"""






   UpperCAmelCase__							,			UpperCAmelCase__										=    self.model_tester.prepare_config_and_inputs_for_common()

   UpperCAmelCase__										=    (
       self.model_tester.image_size
       if isinstance(self.model_tester.image_size						,		collections.abc.Iterable )
       else (self.model_tester.image_size, self.model_tester.image_size)
   )

   for model_class in self.all_model_classes:
    UpperCAmelCase__										=    True
    self.check_hidden_states_output(_UpperCAmelCase						,		_UpperCAmelCase						,		_UpperCAmelCase						,		_UpperCAmelCase )

    # check that output_hidden_states also work using config
    del inputs_dict["output_hidden_states"]
    UpperCAmelCase__										=    True

    self.check_hidden_states_output(_UpperCAmelCase						,		_UpperCAmelCase						,		_UpperCAmelCase						,		_UpperCAmelCase )


  @slow
  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[Any] ):






   """simple docstring"""






   for model_name in DINAT_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
    UpperCAmelCase__										=    DinatModel.from_pretrained(_UpperCAmelCase )
    self.assertIsNotNone(_UpperCAmelCase )



  def 							SCREAMING_SNAKE_CASE__			(						self    :	Dict ):






   """simple docstring"""






   UpperCAmelCase__							,			UpperCAmelCase__										=    self.model_tester.prepare_config_and_inputs_for_common()

   UpperCAmelCase__										=    _config_zero_init(_UpperCAmelCase )
   for model_class in self.all_model_classes:
    UpperCAmelCase__										=    model_class(config=_UpperCAmelCase )
    for name, param in model.named_parameters():
     if "embeddings" not in name and param.requires_grad:
      self.assertIn(
          ((param.data.mean() * 1E9).round() / 1E9).item()						,		[0.0, 1.0]						,		msg=f'''Parameter {name} of model {model_class} seems not properly initialized'''						,		)

@require_natten
@require_vision
@require_torch
class 						lowerCAmelCase_   ( unittest.TestCase   ):







  '''simple docstring'''







  @cached_property
  def 							SCREAMING_SNAKE_CASE__			(						self    :	Any ):






   """simple docstring"""






   return AutoImageProcessor.from_pretrained("""shi-labs/dinat-mini-in1k-224""" ) if is_vision_available() else None



  @slow
  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[int] ):






   """simple docstring"""






   UpperCAmelCase__										=    DinatForImageClassification.from_pretrained("""shi-labs/dinat-mini-in1k-224""" ).to(_UpperCAmelCase )
   UpperCAmelCase__										=    self.default_image_processor

   UpperCAmelCase__										=    Image.open("""./tests/fixtures/tests_samples/COCO/000000039769.png""" )
   UpperCAmelCase__										=    image_processor(images=_UpperCAmelCase						,		return_tensors="""pt""" ).to(_UpperCAmelCase )

   # forward pass
   with torch.no_grad():
    UpperCAmelCase__										=    model(**_UpperCAmelCase )

   # verify the logits
   UpperCAmelCase__										=    torch.Size((1, 10_00) )
   self.assertEqual(outputs.logits.shape						,		_UpperCAmelCase )
   UpperCAmelCase__										=    torch.tensor([-0.1545, -0.7667, 0.4642] ).to(_UpperCAmelCase )
   self.assertTrue(torch.allclose(outputs.logits[0, :3]						,		_UpperCAmelCase						,		atol=1E-4 ) )

@require_torch
@require_natten
class 						lowerCAmelCase_   ( unittest.TestCase			,  lowerCamelCase_   ):







  '''simple docstring'''







  lowerCAmelCase_				:					Any				     =						(DinatBackbone,) if is_torch_available() else ()
  lowerCAmelCase_				:					Optional[Any]				     =						DinatConfig


  def 							SCREAMING_SNAKE_CASE__			(						self    :	Optional[int] ):






   """simple docstring"""






   UpperCAmelCase__										=    DinatModelTester(self )
