• 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: Windows 10
• Poetry version: poetry 0.12.2
• **Link of a pyproject.toml Gist
• **Link of a backtrace Gist

Issue

In digging into the problem, it seems that p4python's files are all marked read-only, causing windows to error when trying to delete them via shutil.rmtree which is invoked by poetry's custom temp directory handling.