code: 
  import warnings
  
  from .generation import GenerationMixin
  
  class 						snake_case			(       lowerCAmelCase__	):
  			'''simple docstring'''
  
  			warnings.warn(
  			    """Importing `GenerationMixin` from `src/transformers/generation_utils.py` is deprecated and will """
  			    """be removed in Transformers v5. Import as `from transformers import GenerationMixin` instead."""	, lowerCAmelCase__	, )
  
  
  
style_context: 
  
  
  from typing import TYPE_CHECKING
  
  from ...utils import (
      OptionalDependencyNotAvailable,
      _LazyModule,
      is_flax_available,
      is_sentencepiece_available,
      is_tf_available,
      is_tokenizers_available,
      is_torch_available,
  )
  
  
  A_														=      {
      "configuration_switch_transformers": [
          "SWITCH_TRANSFORMERS_PRETRAINED_CONFIG_ARCHIVE_MAP",
          "SwitchTransformersConfig",
          "SwitchTransformersOnnxConfig",
      ]
  }
  
  try:
  		if not is_torch_available():
  				raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
  		pass
  else:
  		A_														=      [
  		    "SWITCH_TRANSFORMERS_PRETRAINED_MODEL_ARCHIVE_LIST",
  		    "SwitchTransformersEncoderModel",
  		    "SwitchTransformersForConditionalGeneration",
  		    "SwitchTransformersModel",
  		    "SwitchTransformersPreTrainedModel",
  		    "SwitchTransformersTop1Router",
  		    "SwitchTransformersSparseMLP",
  		]
  
  
  if TYPE_CHECKING:
  		from .configuration_switch_transformers import (
  		    SWITCH_TRANSFORMERS_PRETRAINED_CONFIG_ARCHIVE_MAP,
  		    SwitchTransformersConfig,
  		    SwitchTransformersOnnxConfig,
  		)
  
  		try:
  				if not is_torch_available():
  						raise OptionalDependencyNotAvailable()
  		except OptionalDependencyNotAvailable:
  				pass
  		else:
  				from .modeling_switch_transformers import (
  				    SWITCH_TRANSFORMERS_PRETRAINED_MODEL_ARCHIVE_LIST,
  				    SwitchTransformersEncoderModel,
  				    SwitchTransformersForConditionalGeneration,
  				    SwitchTransformersModel,
  				    SwitchTransformersPreTrainedModel,
  				    SwitchTransformersSparseMLP,
  				    SwitchTransformersTopaRouter,
  				)
  
  
  else:
  		import sys
  
  		A_														=      _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)
  
  
  