Update utils.py

utils.py

@@ -15,6 +15,8 @@ from diffusers import (
     EulerAncestralDiscreteScheduler,
     EulerDiscreteScheduler,
 )
+import base64
+from io import BytesIO
 
 MAX_SEED = np.iinfo(np.int32).max
 
@@ -106,9 +108,6 @@ def validate_json_parameters(json_str):
     except Exception as e:
         raise ValueError(f"Error parsing JSON: {str(e)}")
 
-import base64
-from io import BytesIO
-
 def image_to_base64(image):
     buffered = BytesIO()
     image.save(buffered, format="PNG")