diff --git a/src/diffusers/models/attention_processor.py b/src/diffusers/models/attention_processor.py
index f83a1753dac5..e2fdde0c058f 100755
--- a/src/diffusers/models/attention_processor.py
+++ b/src/diffusers/models/attention_processor.py
@@ -325,11 +325,11 @@ def set_use_xla_flash_attention(
         """
         if use_xla_flash_attention:
             if not is_torch_xla_available:
-                raise "torch_xla is not available"
+                raise RuntimeError("torch_xla is not available")
             elif is_torch_xla_version("<", "2.3"):
-                raise "flash attention pallas kernel is supported from torch_xla version 2.3"
+                raise RuntimeError("flash attention pallas kernel is supported from torch_xla version 2.3")
             elif is_spmd() and is_torch_xla_version("<", "2.4"):
-                raise "flash attention pallas kernel using SPMD is supported from torch_xla version 2.4"
+                raise RuntimeError("flash attention pallas kernel using SPMD is supported from torch_xla version 2.4")
             else:
                 if is_flux:
                     processor = XLAFluxFlashAttnProcessor2_0(partition_spec)
diff --git a/src/diffusers/pipelines/controlnet_sd3/pipeline_stable_diffusion_3_controlnet_inpainting.py b/src/diffusers/pipelines/controlnet_sd3/pipeline_stable_diffusion_3_controlnet_inpainting.py
index 96f53b16cbe8..36cd0a854090 100644
--- a/src/diffusers/pipelines/controlnet_sd3/pipeline_stable_diffusion_3_controlnet_inpainting.py
+++ b/src/diffusers/pipelines/controlnet_sd3/pipeline_stable_diffusion_3_controlnet_inpainting.py
@@ -1262,7 +1262,7 @@ def __call__(
 
             control_image = control_images
         else:
-            assert ValueError("Controlnet not found. Please check the controlnet model.")
+            raise ValueError("Controlnet not found. Please check the controlnet model.")
 
         if controlnet_pooled_projections is None:
             controlnet_pooled_projections = torch.zeros_like(pooled_prompt_embeds)