Peeking References for a extended class #4481

Environment data

• VS Code version: 1.31.1 (1.31.1)
• Extension version (available under the Extensions sidebar): 1b8e8302e405050205e69b59abb3559592bb9e60
• OS and version: macOS Mojave 10.14.3
• Python version (& distribution if applicable, e.g. Anaconda): 3.7.1 64-bit
• Type of virtual environment used (N/A | venv | virtualenv | conda | ...): virtualenv
• Relevant/affected Python packages and their versions:
  • Python 2019.1.0 (microsoft)
  • python-snippets 0.2.0 (cstrap)

Expected behaviour

Peeking References for a Python class might show any class extending it.

Class A():

...

Class B(A): # A is referenced here

Actual behaviour

Picking references of a Python class does not list any ussage of that class as parent class.

Steps to reproduce:

Prerequisites

In the code base, we have at least two classes, A & B. B extends A.

1. Cursor over Python class A
2. Peek references (via command palette or shortcut or right clicking)
3. A ussage from B class is not shown

Logs

Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)

None.

Output from Console under the Developer Tools panel (toggle Developer Tools on under Help; turn on source maps to make any tracebacks be useful by running Enable source map support for extension debugging)

2console.ts:134 [Extension Host] Python Extension: Cached data exists getEnvironmentVariables, /Users/martero/workspace/tuenti/flow/flow_core/flow_core/tasks/basetask.py

Relevant user config

  "python.linting.lintOnSave": true,
  "python.linting.pep8CategorySeverity.E": "Warning",
  "python.linting.pylintEnabled": true,
  "python.venvPath": "~/.virtualenvs",
  // "python.jediEnabled": false, // TRIED BOTH, TRUE & FALSE