






def 							lowerCamelCase__ (       __lowerCamelCase     :	int						):

  if not isinstance(__lowerCamelCase    ,						__lowerCamelCase						):
    __UpperCAmelCase				:      Tuple	 =    f"""Input value of [number={number}] must be an integer"""
    raise TypeError(__lowerCamelCase						)

  if number < 1:
    __UpperCAmelCase				:      List[str]	 =    f"""Input value of [number={number}] must be > 0"""
    raise ValueError(__lowerCamelCase						)

  __UpperCAmelCase				:      int	 =    1

  for i in range(1    ,						__lowerCamelCase						):
    current_number *= 4 * i - 2
    current_number //= i + 1

  return current_number


if __name__ == "__main__":
       import doctest

       doctest.testmod()










import argparse
import importlib
from pathlib import Path


# Test all the extensions added in the setup
lowerCamelCase      :       str    =						[
    '''kernels/rwkv/wkv_cuda.cu''',
    '''kernels/rwkv/wkv_op.cpp''',
    '''kernels/deformable_detr/ms_deform_attn.h''',
    '''kernels/deformable_detr/cuda/ms_deform_im2col_cuda.cuh''',
    '''models/graphormer/algos_graphormer.pyx''',
]





def    __lowerCAmelCase   (    __snake_case							):
     # Test all the extensions added in the setup
     for file in FILES_TO_FIND:
          if not (transformers_path / file).exists():
               return False
     return True


if __name__ == "__main__":
 lowerCamelCase      :       str    =						argparse.ArgumentParser()
 parser.add_argument('''--check_lib''', action='''store_true''', help='''Whether to check the build or the actual package.''')
 lowerCamelCase      :       Dict    =						parser.parse_args()
 if args.check_lib:
  lowerCamelCase      :       Optional[int]    =						importlib.import_module('''transformers''')
  lowerCamelCase      :       str    =						Path(transformers_module.__file__).parent
 else:
  lowerCamelCase      :       List[Any]    =						Path.cwd() / '''build/lib/transformers'''
 if not test_custom_files_are_present(transformers_path):
  raise ValueError('''The built release does not contain the custom files. Fix this before going further!''')






