[tests.test_transforms] Streamline tests

tests/test_transforms.py

@@ -29,8 +29,9 @@ def test_crop_mask():
 
 def test_elastic_deformation(datadir):
     # Get a raw sample without deformation
-    data_file = str(datadir / "raw_without_elastic_deformation.png")
-    raw_without_deformation = PIL.Image.open(data_file)
+    raw_without_deformation = PIL.Image.open(
+        datadir / "raw_without_elastic_deformation.png"
+    )
     raw_without_deformation = F.to_dtype(
         F.to_image(raw_without_deformation), torch.float32, scale=True
     )
@@ -44,8 +45,7 @@ def test_elastic_deformation(datadir):
     # raw_deformed.save(datadir / "raw_with_elastic_deformation.png")
 
     # Get the same sample already deformed (with seed=100)
-    data_file_2 = str(datadir / "raw_with_elastic_deformation.png")
-    raw_2 = PIL.Image.open(data_file_2)
+    raw_2 = PIL.Image.open(datadir / "raw_with_elastic_deformation.png")
     raw_2 = F.to_pil_image(F.to_dtype(F.to_image(raw_2), torch.float32, scale=True))
 
     numpy.testing.assert_array_equal(numpy.asarray(raw_deformed), numpy.asarray(raw_2))