diff --git a/examples/controlnet/train_controlnet.py b/examples/controlnet/train_controlnet.py
index 65d6c14c5efc..aa235ad65bfe 100644
--- a/examples/controlnet/train_controlnet.py
+++ b/examples/controlnet/train_controlnet.py
@@ -152,9 +152,7 @@ def log_validation(
                 validation_prompt = log["validation_prompt"]
                 validation_image = log["validation_image"]
 
-                formatted_images = []
-
-                formatted_images.append(np.asarray(validation_image))
+                formatted_images = [np.asarray(validation_image)]
 
                 for image in images:
                     formatted_images.append(np.asarray(image))
diff --git a/examples/controlnet/train_controlnet_flux.py b/examples/controlnet/train_controlnet_flux.py
index 7f93477fc5b7..a41615c7b546 100644
--- a/examples/controlnet/train_controlnet_flux.py
+++ b/examples/controlnet/train_controlnet_flux.py
@@ -166,9 +166,7 @@ def log_validation(
                 validation_prompt = log["validation_prompt"]
                 validation_image = log["validation_image"]
 
-                formatted_images = []
-
-                formatted_images.append(np.asarray(validation_image))
+                formatted_images = [np.asarray(validation_image)]
 
                 for image in images:
                     formatted_images.append(np.asarray(image))
diff --git a/examples/controlnet/train_controlnet_sdxl.py b/examples/controlnet/train_controlnet_sdxl.py
index b2d950e09ac1..17f313752989 100644
--- a/examples/controlnet/train_controlnet_sdxl.py
+++ b/examples/controlnet/train_controlnet_sdxl.py
@@ -157,9 +157,7 @@ def log_validation(vae, unet, controlnet, args, accelerator, weight_dtype, step,
                 validation_prompt = log["validation_prompt"]
                 validation_image = log["validation_image"]
 
-                formatted_images = []
-
-                formatted_images.append(np.asarray(validation_image))
+                formatted_images = [np.asarray(validation_image)]
 
                 for image in images:
                     formatted_images.append(np.asarray(image))
diff --git a/examples/research_projects/controlnet/train_controlnet_webdataset.py b/examples/research_projects/controlnet/train_controlnet_webdataset.py
index 765bb495062e..829b0031156e 100644
--- a/examples/research_projects/controlnet/train_controlnet_webdataset.py
+++ b/examples/research_projects/controlnet/train_controlnet_webdataset.py
@@ -381,9 +381,7 @@ def log_validation(vae, unet, controlnet, args, accelerator, weight_dtype, step)
                 validation_prompt = log["validation_prompt"]
                 validation_image = log["validation_image"]
 
-                formatted_images = []
-
-                formatted_images.append(np.asarray(validation_image))
+                formatted_images = [np.asarray(validation_image)]
 
                 for image in images:
                     formatted_images.append(np.asarray(image))
diff --git a/examples/research_projects/pixart/train_pixart_controlnet_hf.py b/examples/research_projects/pixart/train_pixart_controlnet_hf.py
index 995a20dfa28e..67ec30da0ece 100644
--- a/examples/research_projects/pixart/train_pixart_controlnet_hf.py
+++ b/examples/research_projects/pixart/train_pixart_controlnet_hf.py
@@ -164,9 +164,7 @@ def log_validation(
                 validation_prompt = log["validation_prompt"]
                 validation_image = log["validation_image"]
 
-                formatted_images = []
-
-                formatted_images.append(np.asarray(validation_image))
+                formatted_images = [np.asarray(validation_image)]
 
                 for image in images:
                     formatted_images.append(np.asarray(image))
diff --git a/examples/t2i_adapter/train_t2i_adapter_sdxl.py b/examples/t2i_adapter/train_t2i_adapter_sdxl.py
index 935d53a48b34..a34ecf17eb30 100644
--- a/examples/t2i_adapter/train_t2i_adapter_sdxl.py
+++ b/examples/t2i_adapter/train_t2i_adapter_sdxl.py
@@ -141,9 +141,7 @@ def log_validation(vae, unet, adapter, args, accelerator, weight_dtype, step):
                 validation_prompt = log["validation_prompt"]
                 validation_image = log["validation_image"]
 
-                formatted_images = []
-
-                formatted_images.append(np.asarray(validation_image))
+                formatted_images = [np.asarray(validation_image)]
 
                 for image in images:
                     formatted_images.append(np.asarray(image))