diff --git a/.flake8 b/.flake8
index 6c3b6d91..7c9b9bd7 100644
--- a/.flake8
+++ b/.flake8
@@ -1,5 +1,8 @@
 [flake8]
-ignore = E203, E266, E501, W503, E221
+# B028 No explicit stacklevel argument found.
+# B907 'foo' is manually surrounded by quotes, consider using the `!r` conversion flag.
+# B905 `zip()` without an explicit `strict=` parameter.
+ignore = E203, E266, E501, W503, E221, B028, B905, B907
 max-line-length = 88
 max-complexity = 18
 select = B,C,E,F,W,T4,B9
diff --git a/pytorch3d/implicitron/dataset/load_llff.py b/pytorch3d/implicitron/dataset/load_llff.py
index e9fecb89..d19337a9 100644
--- a/pytorch3d/implicitron/dataset/load_llff.py
+++ b/pytorch3d/implicitron/dataset/load_llff.py
@@ -34,11 +34,7 @@ def _minify(basedir, path_manager, factors=(), resolutions=()):
 
     imgdir = os.path.join(basedir, "images")
     imgs = [os.path.join(imgdir, f) for f in sorted(_ls(path_manager, imgdir))]
-    imgs = [
-        f
-        for f in imgs
-        if any([f.endswith(ex) for ex in ["JPG", "jpg", "png", "jpeg", "PNG"]])
-    ]
+    imgs = [f for f in imgs if f.endswith("JPG", "jpg", "png", "jpeg", "PNG")]
     imgdir_orig = imgdir
 
     wd = os.getcwd()
diff --git a/pytorch3d/implicitron/dataset/utils.py b/pytorch3d/implicitron/dataset/utils.py
index 439de5b2..01573a1a 100644
--- a/pytorch3d/implicitron/dataset/utils.py
+++ b/pytorch3d/implicitron/dataset/utils.py
@@ -200,7 +200,7 @@ def resize_image(
     mode: str = "bilinear",
 ) -> Tuple[torch.Tensor, float, torch.Tensor]:
 
-    if type(image) == np.ndarray:
+    if isinstance(image, np.ndarray):
         image = torch.from_numpy(image)
 
     if image_height is None or image_width is None:
diff --git a/pytorch3d/io/obj_io.py b/pytorch3d/io/obj_io.py
index bc2f5789..834c51ed 100644
--- a/pytorch3d/io/obj_io.py
+++ b/pytorch3d/io/obj_io.py
@@ -750,7 +750,7 @@ def save_obj(
     if path_manager is None:
         path_manager = PathManager()
 
-    save_texture = all([t is not None for t in [faces_uvs, verts_uvs, texture_map]])
+    save_texture = all(t is not None for t in [faces_uvs, verts_uvs, texture_map])
     output_path = Path(f)
 
     # Save the .obj file
diff --git a/pytorch3d/renderer/utils.py b/pytorch3d/renderer/utils.py
index 2a15438e..e2c37871 100644
--- a/pytorch3d/renderer/utils.py
+++ b/pytorch3d/renderer/utils.py
@@ -453,6 +453,6 @@ def parse_image_size(
         raise ValueError("Image size can only be a tuple/list of (H, W)")
     if not all(i > 0 for i in image_size):
         raise ValueError("Image sizes must be greater than 0; got %d, %d" % image_size)
-    if not all(type(i) == int for i in image_size):
+    if not all(isinstance(i, int) for i in image_size):
         raise ValueError("Image sizes must be integers; got %f, %f" % image_size)
     return tuple(image_size)
diff --git a/pytorch3d/structures/meshes.py b/pytorch3d/structures/meshes.py
index 19f11264..e1ad35d2 100644
--- a/pytorch3d/structures/meshes.py
+++ b/pytorch3d/structures/meshes.py
@@ -1698,7 +1698,7 @@ def join_meshes_as_batch(meshes: List[Meshes], include_textures: bool = True) ->
     # Now we know there are multiple meshes and they have textures to merge.
     all_textures = [mesh.textures for mesh in meshes]
     first = all_textures[0]
-    tex_types_same = all(type(tex) == type(first) for tex in all_textures)
+    tex_types_same = all(type(tex) == type(first) for tex in all_textures)  # noqa: E721
 
     if not tex_types_same:
         raise ValueError("All meshes in the batch must have the same type of texture.")
diff --git a/pytorch3d/transforms/transform3d.py b/pytorch3d/transforms/transform3d.py
index c0433064..cbef7cbb 100644
--- a/pytorch3d/transforms/transform3d.py
+++ b/pytorch3d/transforms/transform3d.py
@@ -440,22 +440,22 @@ class Transform3d:
 
     def translate(self, *args, **kwargs) -> "Transform3d":
         return self.compose(
-            Translate(device=self.device, dtype=self.dtype, *args, **kwargs)
+            Translate(*args, device=self.device, dtype=self.dtype, **kwargs)
         )
 
     def scale(self, *args, **kwargs) -> "Transform3d":
         return self.compose(
-            Scale(device=self.device, dtype=self.dtype, *args, **kwargs)
+            Scale(*args, device=self.device, dtype=self.dtype, **kwargs)
         )
 
     def rotate(self, *args, **kwargs) -> "Transform3d":
         return self.compose(
-            Rotate(device=self.device, dtype=self.dtype, *args, **kwargs)
+            Rotate(*args, device=self.device, dtype=self.dtype, **kwargs)
         )
 
     def rotate_axis_angle(self, *args, **kwargs) -> "Transform3d":
         return self.compose(
-            RotateAxisAngle(device=self.device, dtype=self.dtype, *args, **kwargs)
+            RotateAxisAngle(*args, device=self.device, dtype=self.dtype, **kwargs)
         )
 
     def clone(self) -> "Transform3d":
diff --git a/tests/implicitron/models/test_utils.py b/tests/implicitron/models/test_utils.py
index b86f7fd4..17c21c0e 100644
--- a/tests/implicitron/models/test_utils.py
+++ b/tests/implicitron/models/test_utils.py
@@ -15,15 +15,14 @@ from pytorch3d.implicitron.models.utils import preprocess_input, weighted_sum_lo
 class TestUtils(unittest.TestCase):
     def test_prepare_inputs_wrong_num_dim(self):
         img = torch.randn(3, 3, 3)
-        with self.assertRaises(ValueError) as context:
+        text = (
+            "Model received unbatched inputs. "
+            + "Perhaps they came from a FrameData which had not been collated."
+        )
+        with self.assertRaisesRegex(ValueError, text):
             img, fg_prob, depth_map = preprocess_input(
                 img, None, None, True, True, 0.5, (0.0, 0.0, 0.0)
             )
-            self.assertEqual(
-                "Model received unbatched inputs. "
-                + "Perhaps they came from a FrameData which had not been collated.",
-                context.exception,
-            )
 
     def test_prepare_inputs_mask_image_true(self):
         batch, channels, height, width = 2, 3, 10, 10
diff --git a/tests/implicitron/test_frame_data_builder.py b/tests/implicitron/test_frame_data_builder.py
index 28b5e046..73145815 100644
--- a/tests/implicitron/test_frame_data_builder.py
+++ b/tests/implicitron/test_frame_data_builder.py
@@ -224,6 +224,7 @@ class TestFrameDataBuilder(TestCaseMixin, unittest.TestCase):
 
     def test_load_mask(self):
         path = os.path.join(self.dataset_root, self.frame_annotation.mask.path)
+        path = self.path_manager.get_local_path(path)
         mask = load_mask(path)
         self.assertEqual(mask.dtype, np.float32)
         self.assertLessEqual(np.max(mask), 1.0)
@@ -231,12 +232,14 @@ class TestFrameDataBuilder(TestCaseMixin, unittest.TestCase):
 
     def test_load_depth(self):
         path = os.path.join(self.dataset_root, self.frame_annotation.depth.path)
+        path = self.path_manager.get_local_path(path)
         depth_map = load_depth(path, self.frame_annotation.depth.scale_adjustment)
         self.assertEqual(depth_map.dtype, np.float32)
         self.assertEqual(len(depth_map.shape), 3)
 
     def test_load_16big_png_depth(self):
         path = os.path.join(self.dataset_root, self.frame_annotation.depth.path)
+        path = self.path_manager.get_local_path(path)
         depth_map = load_16big_png_depth(path)
         self.assertEqual(depth_map.dtype, np.float32)
         self.assertEqual(len(depth_map.shape), 2)
@@ -245,6 +248,7 @@ class TestFrameDataBuilder(TestCaseMixin, unittest.TestCase):
         mask_path = os.path.join(
             self.dataset_root, self.frame_annotation.depth.mask_path
         )
+        mask_path = self.path_manager.get_local_path(mask_path)
         mask = load_1bit_png_mask(mask_path)
         self.assertEqual(mask.dtype, np.float32)
         self.assertEqual(len(mask.shape), 2)
@@ -253,6 +257,7 @@ class TestFrameDataBuilder(TestCaseMixin, unittest.TestCase):
         mask_path = os.path.join(
             self.dataset_root, self.frame_annotation.depth.mask_path
         )
+        mask_path = self.path_manager.get_local_path(mask_path)
         mask = load_depth_mask(mask_path)
         self.assertEqual(mask.dtype, np.float32)
         self.assertEqual(len(mask.shape), 3)
diff --git a/tests/implicitron/test_models_renderer_base.py b/tests/implicitron/test_models_renderer_base.py
index 7c1f978d..2a4ff16d 100644
--- a/tests/implicitron/test_models_renderer_base.py
+++ b/tests/implicitron/test_models_renderer_base.py
@@ -38,22 +38,23 @@ class TestRendererBase(TestCaseMixin, unittest.TestCase):
     def test_implicitron_raise_value_error_bins_is_set_and_try_to_set_lengths(
         self,
     ) -> None:
-        with self.assertRaises(ValueError) as context:
-            ray_bundle = ImplicitronRayBundle(
-                origins=torch.rand(2, 3, 4, 3),
-                directions=torch.rand(2, 3, 4, 3),
-                lengths=None,
-                xys=torch.rand(2, 3, 4, 2),
-                bins=torch.rand(2, 3, 4, 1),
-            )
+        ray_bundle = ImplicitronRayBundle(
+            origins=torch.rand(2, 3, 4, 3),
+            directions=torch.rand(2, 3, 4, 3),
+            lengths=None,
+            xys=torch.rand(2, 3, 4, 2),
+            bins=torch.rand(2, 3, 4, 14),
+        )
+        with self.assertRaisesRegex(
+            ValueError,
+            "If the bins attribute is not None you cannot set the lengths attribute.",
+        ):
             ray_bundle.lengths = torch.empty(2)
-            self.assertEqual(
-                str(context.exception),
-                "If the bins attribute is not None you cannot set the lengths attribute.",
-            )
 
     def test_implicitron_raise_value_error_if_bins_dim_equal_1(self) -> None:
-        with self.assertRaises(ValueError) as context:
+        with self.assertRaisesRegex(
+            ValueError, "The last dim of bins must be at least superior or equal to 2."
+        ):
             ImplicitronRayBundle(
                 origins=torch.rand(2, 3, 4, 3),
                 directions=torch.rand(2, 3, 4, 3),
@@ -61,15 +62,14 @@ class TestRendererBase(TestCaseMixin, unittest.TestCase):
                 xys=torch.rand(2, 3, 4, 2),
                 bins=torch.rand(2, 3, 4, 1),
             )
-            self.assertEqual(
-                str(context.exception),
-                "The last dim of bins must be at least superior or equal to 2.",
-            )
 
     def test_implicitron_raise_value_error_if_neither_bins_or_lengths_provided(
         self,
     ) -> None:
-        with self.assertRaises(ValueError) as context:
+        with self.assertRaisesRegex(
+            ValueError,
+            "Please set either bins or lengths to initialize an ImplicitronRayBundle.",
+        ):
             ImplicitronRayBundle(
                 origins=torch.rand(2, 3, 4, 3),
                 directions=torch.rand(2, 3, 4, 3),
@@ -77,10 +77,6 @@ class TestRendererBase(TestCaseMixin, unittest.TestCase):
                 xys=torch.rand(2, 3, 4, 2),
                 bins=None,
             )
-            self.assertEqual(
-                str(context.exception),
-                "Please set either bins or lengths to initialize an ImplicitronRayBundle.",
-            )
 
     def test_conical_frustum_to_gaussian(self) -> None:
         origins = torch.zeros(3, 3, 3)
@@ -266,8 +262,6 @@ class TestRendererBase(TestCaseMixin, unittest.TestCase):
         ray = ImplicitronRayBundle(
             origins=origins, directions=directions, lengths=lengths, xys=None
         )
-        with self.assertRaises(ValueError) as context:
-            _ = conical_frustum_to_gaussian(ray)
 
         expected_error_message = (
             "RayBundle pixel_radii_2d or bins have not been provided."
@@ -276,7 +270,8 @@ class TestRendererBase(TestCaseMixin, unittest.TestCase):
             "`cast_ray_bundle_as_cone` to True?"
         )
 
-        self.assertEqual(expected_error_message, str(context.exception))
+        with self.assertRaisesRegex(ValueError, expected_error_message):
+            _ = conical_frustum_to_gaussian(ray)
 
         # Ensure message is coherent with AbstractMaskRaySampler
         class FakeRaySampler(AbstractMaskRaySampler):
diff --git a/tests/test_cameras.py b/tests/test_cameras.py
index 7ca86d7d..c953e457 100644
--- a/tests/test_cameras.py
+++ b/tests/test_cameras.py
@@ -964,8 +964,8 @@ class TestFoVPerspectiveProjection(TestCaseMixin, unittest.TestCase):
         with self.assertRaisesRegex(IndexError, "out of bounds"):
             cam[N_CAMERAS]
 
+        index = torch.tensor([1, 0, 1], dtype=torch.bool)
         with self.assertRaisesRegex(ValueError, "does not match cameras"):
-            index = torch.tensor([1, 0, 1], dtype=torch.bool)
             cam[index]
 
         with self.assertRaisesRegex(ValueError, "Invalid index type"):
@@ -974,8 +974,8 @@ class TestFoVPerspectiveProjection(TestCaseMixin, unittest.TestCase):
         with self.assertRaisesRegex(ValueError, "Invalid index type"):
             cam[[True, False]]
 
+        index = torch.tensor(SLICE, dtype=torch.float32)
         with self.assertRaisesRegex(ValueError, "Invalid index type"):
-            index = torch.tensor(SLICE, dtype=torch.float32)
             cam[index]
 
     def test_get_full_transform(self):
diff --git a/tests/test_io_obj.py b/tests/test_io_obj.py
index a6c7025d..3668be4e 100644
--- a/tests/test_io_obj.py
+++ b/tests/test_io_obj.py
@@ -422,9 +422,9 @@ class TestMeshObjIO(TestCaseMixin, unittest.TestCase):
 
     def test_save_obj_invalid_shapes(self):
         # Invalid vertices shape
+        verts = torch.FloatTensor([[0.1, 0.2, 0.3, 0.4]])  # (V, 4)
+        faces = torch.LongTensor([[0, 1, 2]])
         with self.assertRaises(ValueError) as error:
-            verts = torch.FloatTensor([[0.1, 0.2, 0.3, 0.4]])  # (V, 4)
-            faces = torch.LongTensor([[0, 1, 2]])
             with NamedTemporaryFile(mode="w", suffix=".obj") as f:
                 save_obj(Path(f.name), verts, faces)
         expected_message = (
@@ -433,9 +433,9 @@ class TestMeshObjIO(TestCaseMixin, unittest.TestCase):
         self.assertTrue(expected_message, error.exception)
 
         # Invalid faces shape
+        verts = torch.FloatTensor([[0.1, 0.2, 0.3]])
+        faces = torch.LongTensor([[0, 1, 2, 3]])  # (F, 4)
         with self.assertRaises(ValueError) as error:
-            verts = torch.FloatTensor([[0.1, 0.2, 0.3]])
-            faces = torch.LongTensor([[0, 1, 2, 3]])  # (F, 4)
             with NamedTemporaryFile(mode="w", suffix=".obj") as f:
                 save_obj(Path(f.name), verts, faces)
         expected_message = (
diff --git a/tests/test_io_ply.py b/tests/test_io_ply.py
index 2b560cad..7bd2bc79 100644
--- a/tests/test_io_ply.py
+++ b/tests/test_io_ply.py
@@ -308,9 +308,9 @@ class TestMeshPlyIO(TestCaseMixin, unittest.TestCase):
 
     def test_save_ply_invalid_shapes(self):
         # Invalid vertices shape
+        verts = torch.FloatTensor([[0.1, 0.2, 0.3, 0.4]])  # (V, 4)
+        faces = torch.LongTensor([[0, 1, 2]])
         with self.assertRaises(ValueError) as error:
-            verts = torch.FloatTensor([[0.1, 0.2, 0.3, 0.4]])  # (V, 4)
-            faces = torch.LongTensor([[0, 1, 2]])
             save_ply(BytesIO(), verts, faces)
         expected_message = (
             "Argument 'verts' should either be empty or of shape (num_verts, 3)."
@@ -318,9 +318,9 @@ class TestMeshPlyIO(TestCaseMixin, unittest.TestCase):
         self.assertTrue(expected_message, error.exception)
 
         # Invalid faces shape
+        verts = torch.FloatTensor([[0.1, 0.2, 0.3]])
+        faces = torch.LongTensor([[0, 1, 2, 3]])  # (F, 4)
         with self.assertRaises(ValueError) as error:
-            verts = torch.FloatTensor([[0.1, 0.2, 0.3]])
-            faces = torch.LongTensor([[0, 1, 2, 3]])  # (F, 4)
             save_ply(BytesIO(), verts, faces)
         expected_message = (
             "Argument 'faces' should either be empty or of shape (num_faces, 3)."
diff --git a/tests/test_meshes.py b/tests/test_meshes.py
index b14753b0..ed87437e 100644
--- a/tests/test_meshes.py
+++ b/tests/test_meshes.py
@@ -324,17 +324,15 @@ class TestMeshes(TestCaseMixin, unittest.TestCase):
         ]
         faces_list = mesh.faces_list()
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "same device"):
             Meshes(verts=verts_list, faces=faces_list)
-            self.assertTrue("same device" in cm.msg)
 
         verts_padded = mesh.verts_padded()  # on cpu
         verts_padded = verts_padded.to("cuda:0")
         faces_padded = mesh.faces_padded()
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "same device"):
             Meshes(verts=verts_padded, faces=faces_padded)
-            self.assertTrue("same device" in cm.msg)
 
     def test_simple_random_meshes(self):
 
diff --git a/tests/test_pointclouds.py b/tests/test_pointclouds.py
index 9ad80d50..25289263 100644
--- a/tests/test_pointclouds.py
+++ b/tests/test_pointclouds.py
@@ -148,31 +148,28 @@ class TestPointclouds(TestCaseMixin, unittest.TestCase):
         features_list = clouds.features_list()
         normals_list = clouds.normals_list()
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "same device"):
             Pointclouds(
                 points=points_list, features=features_list, normals=normals_list
             )
-            self.assertTrue("same device" in cm.msg)
 
         points_list = clouds.points_list()
         features_list = [
             f.to("cpu") if random.uniform(0, 1) > 0.2 else f for f in features_list
         ]
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "same device"):
             Pointclouds(
                 points=points_list, features=features_list, normals=normals_list
             )
-            self.assertTrue("same device" in cm.msg)
 
         points_padded = clouds.points_padded()  # on cuda:0
         features_padded = clouds.features_padded().to("cpu")
         normals_padded = clouds.normals_padded()
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "same device"):
             Pointclouds(
                 points=points_padded, features=features_padded, normals=normals_padded
             )
-            self.assertTrue("same device" in cm.msg)
 
     def test_all_constructions(self):
         public_getters = [
diff --git a/tests/test_rasterize_rectangle_images.py b/tests/test_rasterize_rectangle_images.py
index 7a41a84c..536eb04f 100644
--- a/tests/test_rasterize_rectangle_images.py
+++ b/tests/test_rasterize_rectangle_images.py
@@ -4,6 +4,7 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
+import re
 import unittest
 from itertools import product
 
@@ -102,62 +103,56 @@ class TestRasterizeRectangleImagesErrors(TestCaseMixin, unittest.TestCase):
     def test_mesh_image_size_arg(self):
         meshes = Meshes(verts=[verts0], faces=[faces0])
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, re.escape("tuple/list of (H, W)")):
             rasterize_meshes(
                 meshes,
                 (100, 200, 3),
                 0.0001,
                 faces_per_pixel=1,
             )
-            self.assertTrue("tuple/list of (H, W)" in cm.msg)
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "sizes must be greater than 0"):
             rasterize_meshes(
                 meshes,
                 (0, 10),
                 0.0001,
                 faces_per_pixel=1,
             )
-            self.assertTrue("sizes must be positive" in cm.msg)
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "sizes must be integers"):
             rasterize_meshes(
                 meshes,
                 (100.5, 120.5),
                 0.0001,
                 faces_per_pixel=1,
             )
-            self.assertTrue("sizes must be integers" in cm.msg)
 
     def test_points_image_size_arg(self):
         points = Pointclouds([verts0])
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, re.escape("tuple/list of (H, W)")):
             rasterize_points(
                 points,
                 (100, 200, 3),
                 0.0001,
                 points_per_pixel=1,
             )
-            self.assertTrue("tuple/list of (H, W)" in cm.msg)
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "sizes must be greater than 0"):
             rasterize_points(
                 points,
                 (0, 10),
                 0.0001,
                 points_per_pixel=1,
             )
-            self.assertTrue("sizes must be positive" in cm.msg)
 
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaisesRegex(ValueError, "sizes must be integers"):
             rasterize_points(
                 points,
                 (100.5, 120.5),
                 0.0001,
                 points_per_pixel=1,
             )
-            self.assertTrue("sizes must be integers" in cm.msg)
 
 
 class TestRasterizeRectangleImagesMeshes(TestCaseMixin, unittest.TestCase):
diff --git a/tests/test_rasterizer.py b/tests/test_rasterizer.py
index 062be7b6..8f9e6173 100644
--- a/tests/test_rasterizer.py
+++ b/tests/test_rasterizer.py
@@ -419,16 +419,16 @@ class TestMeshRasterizerOpenGLUtils(TestCaseMixin, unittest.TestCase):
         fragments = rasterizer(self.meshes_world, raster_settings=raster_settings)
         self.assertEqual(fragments.pix_to_face.shape, torch.Size([1, 10, 2047, 1]))
 
+        raster_settings.image_size = (2049, 512)
         with self.assertRaisesRegex(ValueError, "Max rasterization size is"):
-            raster_settings.image_size = (2049, 512)
             rasterizer(self.meshes_world, raster_settings=raster_settings)
 
+        raster_settings.image_size = (512, 2049)
         with self.assertRaisesRegex(ValueError, "Max rasterization size is"):
-            raster_settings.image_size = (512, 2049)
             rasterizer(self.meshes_world, raster_settings=raster_settings)
 
+        raster_settings.image_size = (2049, 2049)
         with self.assertRaisesRegex(ValueError, "Max rasterization size is"):
-            raster_settings.image_size = (2049, 2049)
             rasterizer(self.meshes_world, raster_settings=raster_settings)
 
 
diff --git a/tests/test_struct_utils.py b/tests/test_struct_utils.py
index 17df2bee..a40a6548 100644
--- a/tests/test_struct_utils.py
+++ b/tests/test_struct_utils.py
@@ -80,8 +80,8 @@ class TestStructUtils(TestCaseMixin, unittest.TestCase):
             self.assertClose(x_padded, torch.stack(x, 0))
 
         # catch ValueError for invalid dimensions
+        pad_size = [K] * (ndim + 1)
         with self.assertRaisesRegex(ValueError, "Pad size must"):
-            pad_size = [K] * (ndim + 1)
             struct_utils.list_to_padded(
                 x, pad_size=pad_size, pad_value=0.0, equisized=False
             )
@@ -196,9 +196,9 @@ class TestStructUtils(TestCaseMixin, unittest.TestCase):
 
         # Case 6: Input has more than 3 dims.
         # Raise an error.
+        x = torch.rand((N, K, K, K, K), device=device)
+        split_size = torch.randint(1, K, size=(N,)).tolist()
         with self.assertRaisesRegex(ValueError, "Supports only"):
-            x = torch.rand((N, K, K, K, K), device=device)
-            split_size = torch.randint(1, K, size=(N,)).tolist()
             struct_utils.padded_to_packed(x, split_size=split_size)
 
     def test_list_to_packed(self):
diff --git a/tests/test_texturing.py b/tests/test_texturing.py
index 26350b54..35269586 100644
--- a/tests/test_texturing.py
+++ b/tests/test_texturing.py
@@ -1055,7 +1055,7 @@ class TestRectanglePacking(TestCaseMixin, unittest.TestCase):
 
     def test_simple(self):
         self.assert_bb([(3, 4), (4, 3)], {6, 4})
-        self.assert_bb([(2, 2), (2, 4), (2, 2)], {4, 4})
+        self.assert_bb([(2, 2), (2, 4), (2, 2)], {4})
 
         # many squares
         self.assert_bb([(2, 2)] * 9, {2, 18})
diff --git a/tests/test_transforms.py b/tests/test_transforms.py
index 8c471e87..5a2d729f 100644
--- a/tests/test_transforms.py
+++ b/tests/test_transforms.py
@@ -936,8 +936,8 @@ class TestTransformBroadcast(unittest.TestCase):
         y = torch.tensor([0.3] * M)
         z = torch.tensor([0.4] * M)
         tM = Translate(x, y, z)
+        t = tN.compose(tM)
         with self.assertRaises(ValueError):
-            t = tN.compose(tM)
             t.get_matrix()
 
     def test_multiple_broadcast_compose(self):