chore(backend): ruff C420

Author: psychedelicious

tests/backend/flux/controlnet/test_state_dict_utils.py

@@ -24,7 +24,7 @@
     ],
 )
 def test_is_state_dict_xlabs_controlnet(sd_shapes: dict[str, list[int]], expected: bool):
-    sd = {k: None for k in sd_shapes}
+    sd = dict.fromkeys(sd_shapes)
     assert is_state_dict_xlabs_controlnet(sd) == expected
 
 
@@ -37,7 +37,7 @@ def test_is_state_dict_xlabs_controlnet(sd_shapes: dict[str, list[int]], expecte
     ],
 )
 def test_is_state_dict_instantx_controlnet(sd_keys: list[str], expected: bool):
-    sd = {k: None for k in sd_keys}
+    sd = dict.fromkeys(sd_keys)
     assert is_state_dict_instantx_controlnet(sd) == expected
 
 

tests/backend/flux/ip_adapter/test_xlabs_ip_adapter_flux.py

@@ -19,7 +19,7 @@
 @pytest.mark.parametrize("sd_shapes", [xlabs_flux_ip_adapter_sd_shapes, xlabs_flux_ip_adapter_v2_sd_shapes])
 def test_is_state_dict_xlabs_ip_adapter(sd_shapes: dict[str, list[int]]):
     # Construct a dummy state_dict.
-    sd = {k: None for k in sd_shapes}
+    sd = dict.fromkeys(sd_shapes)
 
     assert is_state_dict_xlabs_ip_adapter(sd)