Can't install transformers from sources using poetry

[simonepri]

🐛 Bug

When installing transformers from sources using poetry

poetry add git+https://github.com/huggingface/transformers.git

The following exception is thrown:

[InvalidRequirement]
Invalid requirement, parse error at "'extra =='"

This is a problem on poetry side. The issue here is just to cross-link the problem.

Ref: python-poetry/poetry#2326

[simonepri]

In the meantime as a workaround, you can do the following:

1. Fork huggingface/transformers
2. On your fork remove this line

   transformers/setup.py

   Line 79 in 97a3754

   "isort @ git+git://github.com/timothycrosley/isort.git@e63ae06ec7d70b06df9e528357650281a3d3ec22#egg=isort",

3. Install your fork with poetry

[stale]

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