In just fouth blocks of the code of the colab notebook "01-training notebook", it just failed.
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## Details
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https://colab.research.google.com/drive/1gamxcO5AHioIHFVhTr1x71mn8SYPNkPz

`---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-4-559dbb5a1852> in <module>()
      7 
      8 # First we create an empty Byte-Pair Encoding model (i.e. not trained model)
----> 9 tokenizer = Tokenizer(BPE())
     10 
     11 # Then we enable lower-casing and unicode-normalization

TypeError: cannot create 'BPE' instances`

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**A link to original question on Stack Overflow**: 
it seems to be that it can be solved by without installing it from pip<|||||>> it seems to be that it can be solved by without installing it from pip

could you please explain how you solved the issue ? did not understand.
thanks,<|||||>@uunal, do you have this issue too?<|||||>@JonathanSum yes, can not find a solution. Updated all packages, check dependency but still same error persists.<|||||>@uunal see the link above? If you don't want to waste your time, please feel free to use it, and it is the 01 training notebook. It has the solution. 

The solution applied: "it seems to be that it can be solved by without installing it from pip"<|||||>Ooh I get it now, pip version has a problem:) thanks<|||||>Anyways I found why it is not working with pip version, check out this commit:https://github.com/huggingface/transformers/commit/b7cf9f43d259fbad45d899c1769110aafc9f410a