Go to definition doesn't work with files inside venv

[aliev]

Environment data

• Language Server version: 0.4.58.0
• OS and version: 10.15 (19A583)
• Python version (& distribution if applicable, e.g. Anaconda): 3.5.5, pyenv, venv

Expected behaviour

Go to definition should work for venv files as well.

Actual behaviour

Setup env:

mkdir Hello && cd Hello
pyenv shell 3.5.5
python -mvenv .env
source .env/bin/activate
pip install django
code .

Steps to reproduce:

Create new file main.py

Add new import:
from django.http import HttpResponse <- Click on "Go to definition from context menu"
...http/init.py will be opened
from django.http.cookie import SimpleCookie, parse_cookie <- Click on "Go to definition"
Nothing happens

Logs

https://gist.github.com/aliev/c1cbeb1c9a9e687796e70ed297eecc0b

[MikhailArkhipov]

This is currently by design. We do not preserve content, AST (parse tree) or navigation information within libraries in order to conserve memory. It can be made an option if memory consumption is not a concern.

[MikhailArkhipov]

#840 is primary