




from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


lowercase_     :    Any      =			{
    'configuration_decision_transformer': [
        'DECISION_TRANSFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP',
        'DecisionTransformerConfig',
    ],
}

try:
				if not is_torch_available():
								raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
				pass
else:
				lowercase_     :    Tuple      =			[
				    'DECISION_TRANSFORMER_PRETRAINED_MODEL_ARCHIVE_LIST',
				    'DecisionTransformerGPT2Model',
				    'DecisionTransformerGPT2PreTrainedModel',
				    'DecisionTransformerModel',
				    'DecisionTransformerPreTrainedModel',
				]


if TYPE_CHECKING:
				from .configuration_decision_transformer import (
				    DECISION_TRANSFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP,
				    DecisionTransformerConfig,
				)

				try:
								if not is_torch_available():
												raise OptionalDependencyNotAvailable()
				except OptionalDependencyNotAvailable:
								pass
				else:
								from .modeling_decision_transformer import (
								    DECISION_TRANSFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
								    DecisionTransformerGPTaModel,
								    DecisionTransformerGPTaPreTrainedModel,
								    DecisionTransformerModel,
								    DecisionTransformerPreTrainedModel,
								)


else:
				import sys

				lowercase_     :    int      =			_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)










from __future__ import annotations

from collections.abc import Generator


def 							__SCREAMING_SNAKE_CASE  (      snake_case_						):

						'''simple docstring'''


						if not isinstance(snake_case_     ,   snake_case_						) or n < 1:
												raise Exception("Sequence only defined for positive integers"						)

						yield n
						while n != 1:
												if n % 2 == 0:
																		n //= 2
												else:
																		_UpperCAmelCase													=					3 * n + 1
												yield n


def 							__SCREAMING_SNAKE_CASE  (      ):

						'''simple docstring'''


						_UpperCAmelCase													=					43
						_UpperCAmelCase													=					tuple(collatz_sequence(snake_case_						)						)
						print(snake_case_						)
						print(f"""Collatz sequence from {n} took {len(snake_case_						)} steps."""						)


if __name__ == "__main__":
				main()




