False positive "not-callable" after is not None

[jab]

Bug description

Minimized reproducer:

# pylint: disable=too-few-public-methods

"Module to repro false positive 'not-callable' error."""

import weakref


class Repro:
    """Class to repro false positive bug."""

    def __init__(self):
        self._weak = None

    def repro(self):
        """Method to repro false positive bug."""
        weak = getattr(self, '_weak', None)
        if weak is not None:
            strong = weak()  # false positive error here
            if strong is not None:
                return strong
        self._weak = weakref.ref(self)
        return self._weak()

See the following line for a real-world example where this false positive is occurring: https://github.com/jab/bidict/blob/caf703e959ed4471bc391a7794411864c1d6ab9d/bidict/_base.py#L185

Configuration

No response

Command used

pylint repro.py

Pylint output

************* Module repro
repro.py:18:21: E1102: weak is not callable (not-callable)

Expected behavior

No error should be flagged here.

Pylint version

pylint 2.13.2
astroid 2.11.2
Python 3.10.2 (main, Feb  2 2022, 07:36:01) [Clang 12.0.0 (clang-1200.0.32.29)]

OS / Environment

No response

Additional dependencies

No response

[jacobtylerwalls]

It's possible this is addressed by pylint-dev/astroid#1189

[Pierre-Sassoulas]

Closing in favor of #7412, more generic and detailed.