---
title: "ERROR Can Not Perform a User Install User Site Packages Are Not Visible in This Virtualenv"
url: "https://blog.101ta28.com/posts/error-user-install-site-packages-not-visible-virtualenv/"
language: "ja"
description: "Python の venv (仮想環境)で `ERROR = Can not perform a '--user' install. User site-packages are not visible in this virtualenv.` というエラーが出たときの対処法"
---

# ERROR Can Not Perform a User Install User Site Packages Are Not Visible in This Virtualenv

> Python の venv (仮想環境)で `ERROR = Can not perform a '--user' install. User site-packages are not visible in this virtualenv.` というエラーが出たときの対処法

Python の venv (仮想環境)で `ERROR = Can not perform a '--user' install. User site-packages are not visible in this virtualenv.` というエラーが出たときの対処法。

1. 仮想環境フォルダ内の `pyvenv.cfg` を開く
2. `include-system-site-packages = false` を `true` に変更する
3. 仮想環境を再起動する