





from __future__ import annotations

from typing import Any



class      __SCREAMING_SNAKE_CASE    (						_UpperCamelCase   ):







  '''simple docstring'''


  pass





class      __SCREAMING_SNAKE_CASE    :







  '''simple docstring'''


  def __init__(		self   :       int					,   __a   :       Any	)		->				None:
        _UpperCamelCase      :	Any						=       data
        _UpperCamelCase      :	Node | None						=       None

  def __iter__(		self   :       Union[str, Any]	)		->				int:
        _UpperCamelCase      :	Any						=       self
        _UpperCamelCase      :	Tuple						=       []
        while node:
              if node in visited:
                    raise ContainsLoopError
              visited.append(__a	)
              yield node.data
              _UpperCamelCase      :	List[Any]						=       node.next_node


  @property
  def    __SCREAMING_SNAKE_CASE				(		self   :       Dict	)		->				bool:
        try:
              list(self	)
              return False
        except ContainsLoopError:
              return True


if __name__ == "__main__":
  lowerCamelCase__				  =   Node(1)
  lowerCamelCase__				  =   Node(2)
  lowerCamelCase__				  =   Node(3)
  lowerCamelCase__				  =   Node(4)
  print(root_node.has_loop)  # False
  lowerCamelCase__				  =   root_node.next_node
  print(root_node.has_loop)  # True

  lowerCamelCase__				  =   Node(5)
  lowerCamelCase__				  =   Node(6)
  lowerCamelCase__				  =   Node(5)
  lowerCamelCase__				  =   Node(6)
  print(root_node.has_loop)  # False

  lowerCamelCase__				  =   Node(1)
  print(root_node.has_loop)  # False







"""simple docstring"""


from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


lowerCamelCase__				  =   {
    "configuration_mask2former": [
        "MASK2FORMER_PRETRAINED_CONFIG_ARCHIVE_MAP",
        "Mask2FormerConfig",
    ],
}

try:
  if not is_vision_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  lowerCamelCase__				  =   ["Mask2FormerImageProcessor"]

try:
  if not is_torch_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  lowerCamelCase__				  =   [
      "MASK2FORMER_PRETRAINED_MODEL_ARCHIVE_LIST",
      "Mask2FormerForUniversalSegmentation",
      "Mask2FormerModel",
      "Mask2FormerPreTrainedModel",
  ]

if TYPE_CHECKING:
  from .configuration_maskaformer import MASK2FORMER_PRETRAINED_CONFIG_ARCHIVE_MAP, MaskaFormerConfig

  try:
    if not is_vision_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .image_processing_maskaformer import MaskaFormerImageProcessor

  try:
    if not is_torch_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .modeling_maskaformer import (
        MASK2FORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
        MaskaFormerForUniversalSegmentation,
        MaskaFormerModel,
        MaskaFormerPreTrainedModel,
    )


else:
  import sys

  lowerCamelCase__				  =   _LazyModule(__name__, globals()["__file__"], _import_structure)
