


import re

from filelock import FileLock


try:
       import nltk

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

if NLTK_AVAILABLE:
       with FileLock('.lock') as lock:
              nltk.download('punkt', quiet=True)
def 				UpperCamelCase__					(  SCREAMING_SNAKE_CASE__						):
 re.sub('<n>'      ,	''      ,	SCREAMING_SNAKE_CASE__						)  # 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(SCREAMING_SNAKE_CASE__						)						)





import warnings

from .generation import TFGenerationMixin


class 	A_ (	__UpperCamelCase   ):




      '''simple docstring'''


      warnings.warn(
          """Importing `TFGenerationMixin` from `src/transformers/generation_tf_utils.py` is deprecated and will """
          """be removed in Transformers v5. Import as `from transformers import TFGenerationMixin` instead.""" ,				__UpperCamelCase ,				)

