False positive unexpected-keyword-arg (E1123)

[Gollam]

Bug description

# pylint: disable=missing-module-docstring
from pyroute2 import IPRoute

a = IPRoute()
b = a.get_addr(index=0)

Configuration

No response

Command used

pylint a.py

Pylint output

************* Module a
a.py:5:4: E1123: Unexpected keyword argument 'index' in method call (unexpected-keyword-arg)

-----------------------------------
Your code has been rated at 0.00/10

Expected behavior

I checked pyroute2 source code, and the get_addr function has a **kwarg parameter: https://github.com/svinota/pyroute2/blob/01f92c84977c20f591cfa02452ff588ad0cc73d5/pyroute2/iproute/linux.py#L538

So it accepts 'index' (and the function works correctly, it filters by index), so that's why I think this is a false positive.

Pylint version

pylint 3.2.7
astroid 3.2.4
Python 3.10.12 (main, Jul 29 2024, 16:56:48) [GCC 11.4.0]

OS / Environment

Ubuntu 22.04.4 LTS

Additional dependencies

pyroute2==0.7.12

[akamat10]

I wonder if it has to do with the fact that there are four flavors of IPRoute and one of the flavors (IPMock one) doesn't accept kwarg. The different flavors are picked based on the sys.platform output here.

[Gollam]

@akamat10 good catch! If I have time, I'll try to put an extra kwarg there, to verify. In that case, this is not a pylint bug, right?

[akamat10]

Right. This wouldn't be a bug in that case.