• 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: Ubuntu 18.04

• Poetry version: 1.0.10

Issue

When running in CI using a docker container the PATH environment variable is not set and causes an issue with poetry. Unfortunately I don't see any traceback. Here's a snipped showing the issue:

root@5d1e49d5433c:~/src# unset PATH
root@5d1e49d5433c:~/src# /usr/local/bin/poetry run -vvv pip install pip

[KeyError]
'PATH'