diff --git a/src/guidellm/backend/openai.py b/src/guidellm/backend/openai.py
index c740b34..f75bb3b 100644
--- a/src/guidellm/backend/openai.py
+++ b/src/guidellm/backend/openai.py
@@ -1,5 +1,6 @@
+import base64
+import io
 from typing import AsyncGenerator, Dict, List, Optional
-import io, base64
 
 from loguru import logger
 from openai import AsyncOpenAI, OpenAI
@@ -182,7 +183,7 @@ def _build_messages(self, request: TextGenerationRequest) -> Dict:
                 image_url = {"url": f"data:image/{im_format.lower()};base64,{im_b64}"}
                 content.append({"type": "image_url", "image_url": image_url})
 
-            content.append({"type": "text", "text": request.prompt})            
+            content.append({"type": "text", "text": request.prompt})
             messages = [{"role": "user", "content": content}]
-        
+
         return messages
diff --git a/src/guidellm/core/request.py b/src/guidellm/core/request.py
index 8f93b56..a1ff199 100644
--- a/src/guidellm/core/request.py
+++ b/src/guidellm/core/request.py
@@ -1,5 +1,5 @@
 import uuid
-from typing import Any, Dict, Optional, List
+from typing import Any, Dict, List, Optional
 
 from pydantic import Field
 
diff --git a/src/guidellm/request/emulated.py b/src/guidellm/request/emulated.py
index b7053de..9dc3825 100644
--- a/src/guidellm/request/emulated.py
+++ b/src/guidellm/request/emulated.py
@@ -11,7 +11,7 @@
 from guidellm.config import settings
 from guidellm.core.request import TextGenerationRequest
 from guidellm.request.base import GenerationMode, RequestGenerator
-from guidellm.utils import clean_text, filter_text, load_text, split_text, load_images
+from guidellm.utils import clean_text, filter_text, load_images, load_text, split_text
 
 __all__ = ["EmulatedConfig", "EmulatedRequestGenerator", "EndlessTokens"]
 
@@ -402,9 +402,9 @@ def sample_prompt(self, tokens: int) -> str:
                 right = mid
 
         return self._tokens.create_text(start_line_index, left)
-    
-    
+
+
     def sample_images(self):
         image_indices = self._rng.choice(len(self._images), size=self._config.images, replace=False)
 
-        return [self._images[i] for i in image_indices]
\ No newline at end of file
+        return [self._images[i] for i in image_indices]
diff --git a/src/guidellm/utils/__init__.py b/src/guidellm/utils/__init__.py
index 6f2f669..1e51f22 100644
--- a/src/guidellm/utils/__init__.py
+++ b/src/guidellm/utils/__init__.py
@@ -1,3 +1,4 @@
+from .images import ImageDescriptor, load_images
 from .injector import create_report, inject_data
 from .progress import BenchmarkReportProgress
 from .text import (
@@ -12,7 +13,6 @@
     split_lines_by_punctuation,
     split_text,
 )
-from .images import load_images, ImageDescriptor
 from .transformers import (
     load_transformers_dataset,
     resolve_transformers_dataset,
diff --git a/src/guidellm/utils/images.py b/src/guidellm/utils/images.py
index 5e96ce1..5d73bc0 100644
--- a/src/guidellm/utils/images.py
+++ b/src/guidellm/utils/images.py
@@ -1,13 +1,12 @@
-from PIL import Image
-from bs4 import BeautifulSoup
-from urllib.parse import urljoin, urlparse
-from pydantic import Field, ConfigDict
-from typing import List, Optional
 from io import BytesIO
-
-from loguru import logger
+from typing import List, Optional
+from urllib.parse import urljoin
 
 import requests
+from bs4 import BeautifulSoup
+from loguru import logger
+from PIL import Image
+from pydantic import ConfigDict, Field
 
 from guidellm.config import settings
 from guidellm.core.serializable import Serializable
@@ -19,14 +18,14 @@ class ImageDescriptor(Serializable):
     A class to represent image data in serializable format.
     """
     model_config = ConfigDict(arbitrary_types_allowed=True)
-    
+
     url: Optional[str] = Field(description="url address for image.")
     image: Image.Image = Field(description="PIL image", exclude=True)
     filename: Optional[int] = Field(
         default=None,
         description="Image filename.",
     )
-    
+
 
 def load_images(data: str) -> List[ImageDescriptor]:
     """
@@ -45,25 +44,25 @@ def load_images(data: str) -> List[ImageDescriptor]:
         response = requests.get(data, timeout=settings.request_timeout)
         response.raise_for_status()
 
-        soup = BeautifulSoup(response.text, 'html.parser')
+        soup = BeautifulSoup(response.text, "html.parser")
         for img_tag in soup.find_all("img"):
             img_url = img_tag.get("src")
 
             if img_url:
                 # Handle relative URLs
                 img_url = urljoin(data, img_url)
-                
+
                 # Download the image
                 logger.debug("Loading image: {}", img_url)
                 img_response = requests.get(img_url)
                 img_response.raise_for_status()
-                
+
                 # Load image into Pillow
                 images.append(
                     ImageDescriptor(
-                        url=img_url, 
+                        url=img_url,
                         image=Image.open(BytesIO(img_response.content)),
                     )
                 )
 
-        return images
\ No newline at end of file
+        return images