I simply tried the sample code from hugging face website: <https://huggingface.co/albert-base-v2>

```
`from transformers import AlbertTokenizer, AlbertModel` 
`tokenizer = AlbertTokenizer.from_pretrained('albert-base-v2')`
`text = "Replace me by any text you'd like."`
`encoded_input = tokenizer(text, return_tensors='pt')`

```

then I got the following error at the tokenizer step:
----> 5 encoded\_input = tokenizer(text, return\_tensors='pt')

TypeError: 'NoneType' object is not callable

I tried the same code on my local machine, it worked no problem. The problem seems within Colab. However, I do need help to run this model on colab GPU.

My python version on colab is Python 3.6.9