import re

from filelock import FileLock


try:
	import nltk

	_UpperCAmelCase            =		True
except (ImportError, ModuleNotFoundError):
	_UpperCAmelCase            =		False

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




def     UpperCamelCase						(	__lowercase						:			str     ):
		'''simple docstring'''




		re.sub('<n>'						,''						,__lowercase     )  # 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(__lowercase     )     )







from ..utils import DummyObject, requires_backends





class UpperCAmelCase						( metaclass=__A  ):


				'''simple docstring'''






				lowerCamelCase_    = ['''onnx''']
				def __init__(						self		,     *lowercase		,     **lowercase ):



						"""simple docstring"""





						requires_backends(self		,     ['onnx'] )
				@classmethod
				def   lowerCAmelCase_       (						cls		,     *lowercase		,     **lowercase ):



						"""simple docstring"""





						requires_backends(cls		,     ['onnx'] )







				@classmethod
				def   lowerCAmelCase_       (						cls		,     *lowercase		,     **lowercase ):



						"""simple docstring"""





						requires_backends(cls		,     ['onnx'] )






