code: 
  
  
  
  
  
  from typing import TYPE_CHECKING
  
  from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available
  
  
  _UpperCamelCase       = {
      '''configuration_swin2sr''': ['''SWIN2SR_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''Swin2SRConfig'''],
  }
  
  
  try:
       if not is_torch_available():
            raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
       pass
  else:
       _UpperCamelCase       = [
           '''SWIN2SR_PRETRAINED_MODEL_ARCHIVE_LIST''',
           '''Swin2SRForImageSuperResolution''',
           '''Swin2SRModel''',
           '''Swin2SRPreTrainedModel''',
       ]
  
  
  try:
       if not is_vision_available():
            raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
       pass
  else:
       _UpperCamelCase       = ['''Swin2SRImageProcessor''']
  
  
  if TYPE_CHECKING:
       from .configuration_swinasr import SWIN2SR_PRETRAINED_CONFIG_ARCHIVE_MAP, SwinaSRConfig
  
       try:
            if not is_torch_available():
                 raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
            pass
       else:
            from .modeling_swinasr import (
                SWIN2SR_PRETRAINED_MODEL_ARCHIVE_LIST,
                SwinaSRForImageSuperResolution,
                SwinaSRModel,
                SwinaSRPreTrainedModel,
            )
  
       try:
            if not is_vision_available():
                 raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
            pass
       else:
            from .image_processing_swinasr import SwinaSRImageProcessor
  
  
  else:
       import sys
  
       _UpperCamelCase       = _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)
  
  
style_context: 
  
  
  
  
  
  def       lowerCAmelCase__(	lowercase       :    str				) ->    int:
    __snake_case   :				List[str]        =       str(lowercase				).strip()
    if not oct_string:
      raise ValueError("Empty string was passed to the function"				)
    __snake_case   :				int        =       oct_string[0] == "-"
    if is_negative:
      __snake_case   :				Union[str, Any]        =       oct_string[1:]
    if not oct_string.isdigit() or not all(0 <= int(lowercase				) <= 7 for char in oct_string				):
      raise ValueError("Non-octal value was passed to the function"				)
    __snake_case   :				List[Any]        =       0
    for char in oct_string:
      __snake_case   :				Optional[Any]        =       8 * decimal_number + int(lowercase				)
    if is_negative:
      __snake_case   :				Any        =       -decimal_number
    return decimal_number
  
  
  if __name__ == "__main__":
       from doctest import testmod
  
       testmod()
  
  