[Python] trouble with using tokenizer.encode_plus

#jupyter notebook

I'm trying to study BERT Classifier with https://colab.research.google.com/drive/1pTuQhug6Dhl9XalKB0zUGf4FIdYFlpcX#scrollTo=2bBdb3pt8LuQ

In that colab, starting with "Tokenize all of the sentence....."

At that part, I have a trouble "TypeError: _tokenize() got an unexpected keyword argument 'pad_to_max_length'"

**
input_ids = []
attention_masks = []

for sent in sentences:
encoded_dict = tokenizer.encode_plus(
sent, # Sentence to encode.
add_special_tokens = True, # Add '[CLS]' and '[SEP]'
max_length = 64, # Pad & truncate all sentences.
pad_to_max_length = True,
return_attention_mask = True, # Construct attn. masks.
return_tensors = 'pt', # Return pytorch tensors.
)

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