Rewrite pylint init-hook (#65193)

pyproject.toml

@@ -28,7 +28,16 @@ ignore = [
 # Use a conservative default here; 2 should speed up most setups and not hurt
 # any too bad. Override on command line as appropriate.
 jobs = 2
-init-hook='from pylint.config.find_default_config_files import find_default_config_files; from pathlib import Path; import sys; sys.path.append(str(Path(Path(list(find_default_config_files())[0]).parent, "pylint/plugins")))'
+init-hook = """\
+    from pathlib import Path; \
+    import sys; \
+
+    from pylint.config import find_default_config_files; \
+
+    sys.path.append( \
+        str(Path(next(find_default_config_files())).parent.joinpath('pylint/plugins'))
+    ) \
+    """
 load-plugins = [
     "pylint.extensions.code_style",
     "pylint.extensions.typing",