chore: use if TYPE_CHECKING: blocks (#2866)

test/test_macos_archs.py

@@ -1,10 +1,15 @@
+from __future__ import annotations
+
 import platform
-from pathlib import Path
 
 import pytest
 
 from . import test_projects, utils
 
+TYPE_CHECKING = False
+if TYPE_CHECKING:
+    from pathlib import Path
+
 basic_project = test_projects.new_c_project()
 basic_project.files["tests/test_suite.py"] = r"""
 import platform