Fix pylint warnings

Author: analog-cbarber

src/mkdocstrings_handlers/python_xref/crossref.py

@@ -16,7 +16,6 @@
 from __future__ import annotations
 
 import re
-import sys
 from typing import Callable, List, Optional, cast
 
 from griffe.dataclasses import Docstring, Object

tests/test_crossref.py

@@ -25,15 +25,14 @@
 from griffe.dataclasses import Class, Docstring, Function, Module, Object
 
 # noinspection PyProtectedMember
-import mkdocstrings_handlers.python_xref.crossref
 from mkdocstrings_handlers.python_xref.crossref import (
     _RE_CROSSREF,
     _RE_REL_CROSSREF,
     _RelativeCrossrefProcessor,
     substitute_relative_crossrefs,
 )
 
-def test_RelativeCrossrefProcessor(caplog: pytest.LogCaptureFixture, monkeypatch: pytest.MonkeyPatch) -> None:
+def test_RelativeCrossrefProcessor(caplog: pytest.LogCaptureFixture) -> None:
     """Unit test for internal _RelativeCrossrefProcessor class.
 
     Arguments:

tests/test_integration.py

@@ -16,7 +16,6 @@
 import os
 import re
 import subprocess as sp
-import sys
 from os import PathLike
 from pathlib import Path
 from typing import Dict, List, Tuple