remove print, use logger

from deepchem.feat.material_featurizers import CGCNNFeaturizer

try:

  from logging import getLogger

  logger = getLogger(__name__)

  import transformers

  from transformers import BertTokenizer

  from deepchem.feat.smiles_tokenizer import SmilesTokenizer

  from deepchem.feat.smiles_tokenizer import BasicSmilesTokenizer

except ModuleNotFoundError:

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

  print("Transformers package not installed, SmilesTokenizer can not be used.")

  print("Install using 'pip install transformers'")

  pass

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