<!-- Checked checkbox should look like this: [x] --> - [x] I am on the [latest](https://github.com/python-poetry/poetry/releases/latest) Poetry version. - [x] I have searched the [issues](https://github.com/python-poetry/poetry/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**: Ubuntu 20.04 - **Poetry version**: 1.1.1 - **Link of a [Gist](https://gist.github.com/) with the contents of your pyproject.toml file**: https://gist.github.com/MarcoGlauser/804cbf48001f7a7d1d94d6da9bc88071 ## Issue The command `poetry update --dry-run` duplicates the output of packages as seen below.  I first noticed it in poetry 1.1.0. I could reproduce it on different machines with the attached gist.
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 (
-vvvoption).OS version and name: Ubuntu 20.04
Poetry version: 1.1.1
Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/MarcoGlauser/804cbf48001f7a7d1d94d6da9bc88071
Issue
The command
poetry update --dry-runduplicates the output of packages as seen below.I first noticed it in poetry 1.1.0. I could reproduce it on different machines with the attached gist.