chore: Enable the C408 lint in ruff

cuda_core/tests/test_program_cache.py

@@ -124,7 +124,7 @@ def _make_key(**overrides):
     unspecified defaults to a valid cubin-from-c++ compile over "a"."""
     from cuda.core.utils import make_program_cache_key
 
-    base = dict(code="a", code_type="c++", options=_opts(), target_type="cubin")
+    base = {"code": "a", "code_type": "c++", "options": _opts(), "target_type": "cubin"}
     return make_program_cache_key(**{**base, **overrides})
 
 

cuda_core/tests/test_tensor_map.py

@@ -810,10 +810,10 @@ class TestTensorMapHelpers:
     @pytest.mark.parametrize(
         ("kwargs", "match"),
         [
-            (dict(box_dim=5), "box_dim must be a tuple of ints"),
-            (dict(box_dim=(1, "x", 3)), r"box_dim\[1\] must be an int"),
-            (dict(box_dim=(32,), swizzle=2), "swizzle must be a TensorMapSwizzle"),
-            (dict(box_dim=(32,), interleave=0), "interleave must be a TensorMapInterleave"),
+            ({"box_dim": 5}, "box_dim must be a tuple of ints"),
+            ({"box_dim": (1, "x", 3)}, r"box_dim\[1\] must be an int"),
+            ({"box_dim": (32,), "swizzle": 2}, "swizzle must be a TensorMapSwizzle"),
+            ({"box_dim": (32,), "interleave": 0}, "interleave must be a TensorMapInterleave"),
         ],
         ids=["box_dim_non_iterable", "box_dim_non_int_element", "swizzle_wrong_type", "interleave_wrong_type"],
     )

cuda_python_test_helpers/cuda_python_test_helpers/cython_cache.py

@@ -349,7 +349,7 @@ def test_identical_settings_produce_same_path(self, monkeypatch, tmp_path):
     def test_changed_directives_change_namespace(self, monkeypatch, tmp_path):
         """Different ``compiler_directives`` map to different namespaces (#7532 workaround)."""
         self._set_env(monkeypatch, str(tmp_path))
-        base = dict(embedsignature=True, freethreading_compatible=True)
+        base = {"embedsignature": True, "freethreading_compatible": True}
         with_linetrace = dict(base, linetrace=True)
         p1 = self.build_hooks._cython_cache_path(self.package, compiler_directives=base)
         p2 = self.build_hooks._cython_cache_path(self.package, compiler_directives=with_linetrace)

ruff.toml

@@ -62,7 +62,6 @@ ignore = [
   "S404",   # allow subprocess imports
 
   # style preferences
-  "C408",   # unnecessary dict/list/tuple call (dict() is fine)
   "E501",   # line too long (formatter handles what it can; the rest is intentional)
   "E741",   # ambiguous variable name (I, l, O)
   "B007",   # unused loop control variable