chore: use if TYPE_CHECKING: blocks (#2866)

test/test_emulation.py

@@ -1,11 +1,16 @@
+from __future__ import annotations
+
 import itertools
 import subprocess
-from pathlib import Path
 
 import pytest
 
 from . import test_projects, utils
 
+TYPE_CHECKING = False
+if TYPE_CHECKING:
+    from pathlib import Path
+
 project_with_a_test = test_projects.new_c_project()
 
 project_with_a_test.files["test/spam_test.py"] = r"""