



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,
)


UpperCamelCase__:       Optional[int]							     =      {
    'configuration_switch_transformers': [
        'SWITCH_TRANSFORMERS_PRETRAINED_CONFIG_ARCHIVE_MAP',
        'SwitchTransformersConfig',
        'SwitchTransformersOnnxConfig',
    ]
}

try:
						if not is_torch_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						UpperCamelCase__:       Any							     =      [
						    '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

						UpperCamelCase__:       Dict							     =      _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)










'''simple docstring'''






from __future__ import annotations


def 			snake_case_					( _lowerCAmelCase  :						list[int]       ,				_lowerCAmelCase  :						int  )				->       list[int]:
							UpperCAmelCase			:	dict[int, int]										=		{}
							for index, val in enumerate(_lowerCAmelCase  ):
														UpperCAmelCase			:	Tuple										=		target - val
														if compl in chk_map:
																					return [chk_map[compl], index]
														UpperCAmelCase			:	Any										=		index
							return []


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						print(F"{two_sum([2, 7, 11, 15], 9) = }")





