W1116 (isinstance-second-argument-not-valid-type) false positive for union types

[randolf-scholz]

Bug description

assert isinstance(0, int | str)  # ✘ raises W1116

Configuration

No response

Command used

pylint

Pylint output

************* Module isinstance_second_argument_not_valid_type
bugs/pylint/isinstance_second_argument_not_valid_type.py:1:0: C0114: Missing module docstring (missing-module-docstring)
bugs/pylint/isinstance_second_argument_not_valid_type.py:5:7: W1116: Second argument of isinstance is not a type (isinstance-second-argument-not-valid-type)

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Expected behavior

Union types are supported by isinstance and issubclass since 3.10 https://docs.python.org/3/library/functions.html#isinstance

Pylint version

pylint 2.16.1
astroid 2.14.1
Python 3.10.6 (main, Nov 14 2022, 16:10:14) [GCC 11.3.0]

OS / Environment

No response

Additional dependencies

No response