

"""simple docstring"""

import importlib.metadata
import sys

from transformers.testing_utils import TestCasePlus
from transformers.utils.versions import require_version, require_version_core


a__ :	Optional[int]						= importlib.metadata.version("""numpy""")
a__ :	Optional[int]						= """.""".join([str(x) for x in sys.version_info[:3]])


class 			_snake_case     (						UpperCamelCase       ):







						def        _UpperCamelCase    (self							)			->						int:
											# lt + different version strings
											require_version_core('''numpy<1000.4.5'''							)
											require_version_core('''numpy<1000.4'''							)
											require_version_core('''numpy<1000'''							)

											# le
											require_version_core('''numpy<=1000.4.5'''							)
											require_version_core(f'''numpy<={numpy_ver}'''							)

											# eq
											require_version_core(f'''numpy=={numpy_ver}'''							)

											# ne
											require_version_core('''numpy!=1000.4.5'''							)

											# ge
											require_version_core('''numpy>=1.0'''							)
											require_version_core('''numpy>=1.0.0'''							)
											require_version_core(f'''numpy>={numpy_ver}'''							)

											# gt
											require_version_core('''numpy>1.0.0'''							)

											# mix
											require_version_core('''numpy>1.0.0,<1000'''							)

											# requirement w/o version
											require_version_core('''numpy'''							)

											# unmet requirements due to version conflict
											for req in ["numpy==1.0.0", "numpy>=1000.0.0", f'''numpy<{numpy_ver}''']:
																try:
																					require_version_core(__lowerCamelCase							)
																except ImportError as e:
																					self.assertIn(f'''{req} is required'''     ,							str(__lowerCamelCase							)							)
																					self.assertIn('''but found'''     ,							str(__lowerCamelCase							)							)

        # unmet requirements due to missing module
											for req in ["numpipypie>1", "numpipypie2"]:
																try:
																					require_version_core(__lowerCamelCase							)
																except importlib.metadata.PackageNotFoundError as e:
																					self.assertIn(f'''The \'{req}\' distribution was not found and is required by this application'''     ,							str(__lowerCamelCase							)							)
																					self.assertIn('''Try: pip install transformers -U'''     ,							str(__lowerCamelCase							)							)

        # bogus requirements formats:
        # 1. whole thing
											for req in ["numpy??1.0.0", "numpy1.0.0"]:
																try:
																					require_version_core(__lowerCamelCase							)
																except ValueError as e:
																					self.assertIn('''requirement needs to be in the pip package format'''     ,							str(__lowerCamelCase							)							)
        # 2. only operators
											for req in ["numpy=1.0.0", "numpy == 1.00", "numpy<>1.0.0", "numpy><1.00", "numpy>>1.0.0"]:
																try:
																					require_version_core(__lowerCamelCase							)
																except ValueError as e:
																					self.assertIn('''need one of '''     ,							str(__lowerCamelCase							)							)







						def        _UpperCamelCase    (self							)			->						Optional[Any]:
											# matching requirement
											require_version('''python>=3.6.0'''							)

											# not matching requirements
											for req in ["python>9.9.9", "python<3.0.0"]:
																try:
																					require_version_core(__lowerCamelCase							)
																except ImportError as e:
																					self.assertIn(f'''{req} is required'''     ,							str(__lowerCamelCase							)							)
																					self.assertIn(f'''but found python=={python_ver}'''     ,							str(__lowerCamelCase							)							)


"""simple docstring"""

def 				__UpperCamelCase   (    a__: list ,	a__: list ,	a__: list ,	a__: int ,	a__: int			)				->			None:




					"""simple docstring"""



					if target == 0:
										answer.append(path.copy()			)
					else:
										for index in range(a__ ,	len(a__			)			):
															if target >= candidates[index]:
																				path.append(candidates[index]			)
																				backtrack(a__ ,	a__ ,	a__ ,	target - candidates[index] ,	a__			)
																				path.pop(len(a__			) - 1			)





def 				__UpperCamelCase   (    a__: list ,	a__: int			)				->			list:




					"""simple docstring"""



					__lowercase												=			[]  # type: list[int]
					__lowercase												=			[]  # type: list[int]
					backtrack(a__ ,	a__ ,	a__ ,	a__ ,	0			)
					return answer





def 				__UpperCamelCase   (    )				->			None:




					"""simple docstring"""



					print(combination_sum([-8, 2.3, 0] ,	1			)			)


if __name__ == "__main__":
							import doctest

							doctest.testmod()
							main()


