remove pass

from transformers import BertTokenizer

from logging import getLogger

logger = getLogger(__name__)

try:

  from transformers import BertTokenizer

except ModuleNotFoundError:

  logger.warning("HuggingFace transformers is not available. Please install using 'pip install transformers' to use the SmilesTokenizer")

  print("HuggingFace transformers is not available. Please install using 'pip install transformers' to use the SmilesTokenizer.")

  pass

"""

SMI_REGEX_PATTERN: str

SMI_REGEX_PATTERN = r"""(\[[^\]]+]|Br?|Cl?|N|O|S|P|F|I|b|c|n|o|s|p|\(|\)|\.|=|

#|-|\+|\\|\/|:|~|@|\?|>>?|\*|\$|\%[0-9]{2}|[0-9])"""

logger = getLogger(__name__)

# add vocab_file dict

VOCAB_FILES_NAMES = {"vocab_file": "vocab.txt"}