diff --git a/tests/unit/conftest.py b/tests/unit/conftest.py
index ce4ee9f..f89e8af 100644
--- a/tests/unit/conftest.py
+++ b/tests/unit/conftest.py
@@ -1,10 +1,10 @@
-from pathlib import Path
 import shutil
+from pathlib import Path
+
 import pytest
 
 from phomo import Pool, utils
 
-
 TEST_PATH = Path("test_tiles/")
 
 
diff --git a/tests/unit/test_grid.py b/tests/unit/test_grid.py
index 4f5d86c..f3202c9 100644
--- a/tests/unit/test_grid.py
+++ b/tests/unit/test_grid.py
@@ -38,7 +38,7 @@ def test_arrays(grid: Grid, master_array):
     )
 
 
-def test_subdivide(grid: Grid, master_array):
+def test_subdivide(grid: Grid):
     prev_len = len(grid.slices)
     grid.subdivide(0.1)
     new_len = len(grid.slices)