title: How to deactivate venv while using fish?
body: <p>I have installed venv using python3 with fish like and activated using env/bin/activate.fish, but there is no deactivate.fish in env/bin/</p>
  
  <pre><code>➜ ls env/bin/
  activate         activate.fish    easy_install     pip              pip3.7           python3
  activate.csh     chardetect       easy_install-3.7 pip3             python           yapf
  </code></pre>
  
  <p>how can I deactivate venv?</p>