• 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: Linux 5.5.8-arch1-1
• Poetry version: 1.0.5
• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/cutwater/65c1120890dc654e9968f8cdcf4cfde1
• Related Issue: Optional dependencies are getting built as required dependencies #24

Issue

Optional dependencies are generated as required dependencies in wheel package produced by executing poetry build. Dependency list in sdist package does not include optional dependencies as expected. Please refer to the gist above for more details.

Steps to reproduce the issue:

$ poetry new example
$ cd example
$ poetry add --optional psycopg2
$ poetry build