


"""simple docstring"""







import re

from filelock import FileLock


try:
		import nltk

		a__				:							List[str]						=     True
except (ImportError, ModuleNotFoundError):
		a__				:							int						=     False

if NLTK_AVAILABLE:
		with FileLock('''.lock''') as lock:
				nltk.download('''punkt''', quiet=True)




def    UpperCAmelCase__       (lowerCAmelCase_   ):




					'''simple docstring'''


					re.sub("<n>"  ,						""  ,						lowerCAmelCase_   )  # remove pegasus newline char
					assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
					return "\n".join(nltk.sent_tokenize(lowerCAmelCase_   )   )



def 		_lowercase (     lowercase__   ,	lowercase__						):

      if density <= 0:
            raise ValueError('''Impossible fluid density'''						)
      if bulk_modulus <= 0:
            raise ValueError('''Impossible bulk modulus'''						)

      return (bulk_modulus / density) ** 0.5


if __name__ == "__main__":
 import doctest

 doctest.testmod()


