• I am on the latest Poetry version.
• I have searched the issues of this repo and believe that this is not a duplicate.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• OS version and name: Centos 7
• Poetry version: 1.0.0
• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/qiuwei/a0c7eee89e5e8d75edb477858213c30b

Issue

I created an empty project and run poetry add allennlp. It takes ages to resolve the dependencies.