diff --git a/common/DisvPropertyContainer.py b/common/DisvPropertyContainer.py
index f4d28af2..5072e2c0 100644
--- a/common/DisvPropertyContainer.py
+++ b/common/DisvPropertyContainer.py
@@ -1,5 +1,6 @@
 import copy
 from itertools import cycle
+from typing import List
 
 import matplotlib.pyplot as plt
 import numpy as np
@@ -103,10 +104,10 @@ class DisvPropertyContainer:
     nlay: int
     ncpl: int
     nvert: int
-    vertices: list[list]  # [[iv, xv, yv], ...]
-    cell2d: list[list]  # [[ic, xc, yc, ncvert, icvert], ...]
+    vertices: List[list]  # [[iv, xv, yv], ...]
+    cell2d: List[list]  # [[ic, xc, yc, ncvert, icvert], ...]
     top: np.ndarray
-    botm: list[np.ndarray]
+    botm: List[np.ndarray]
     origin_x: float
     origin_y: float
     rotation: float
diff --git a/etc/conftest.py b/etc/conftest.py
index 81ad6383..589285d1 100644
--- a/etc/conftest.py
+++ b/etc/conftest.py
@@ -1,4 +1,4 @@
-import os
+from pathlib import Path
 
 
 def pytest_addoption(parser):
@@ -8,9 +8,11 @@ def pytest_addoption(parser):
 def pytest_generate_tests(metafunc):
     if "build" in metafunc.fixturenames:
         run = metafunc.config.getoption("run")
+        path = Path.cwd().parent / "scripts"
+        files = sorted(list(path.glob("ex-*.py")))
         scripts_dict = {
-            file_name: (run, file_name)
-            for file_name in sorted(os.listdir(os.path.join("..", "scripts")))
-            if file_name.endswith(".py") and file_name.startswith("ex-")
+            file: (run, file)
+            for file in files
+            if file.name.endswith(".py") and file.name.startswith("ex-")
         }
         metafunc.parametrize("build", scripts_dict.values(), ids=scripts_dict.keys())