diff --git a/lightrag/api/config.py b/lightrag/api/config.py
index d7620353..1bbdb1c9 100644
--- a/lightrag/api/config.py
+++ b/lightrag/api/config.py
@@ -12,6 +12,7 @@ from dotenv import load_dotenv
 # the OS environment variables take precedence over the .env file
 load_dotenv(dotenv_path=".env", override=False)
 
+
 class OllamaServerInfos:
     # Constants for emulated Ollama model information
     LIGHTRAG_NAME = "lightrag"
@@ -302,7 +303,7 @@ def parse_args() -> argparse.Namespace:
 
     # Select Document loading tool (DOCLING, DEFAULT)
     args.document_loading_engine = get_env_value("DOCUMENT_LOADING_ENGINE", "DEFAULT")
-    
+
     # Add environment variables that were previously read directly
     args.cors_origins = get_env_value("CORS_ORIGINS", "*")
     args.summary_language = get_env_value("SUMMARY_LANGUAGE", "en")
diff --git a/lightrag/api/lightrag_server.py b/lightrag/api/lightrag_server.py
index 84390afc..4d1eaf6d 100644
--- a/lightrag/api/lightrag_server.py
+++ b/lightrag/api/lightrag_server.py
@@ -321,9 +321,7 @@ def create_app(args):
             # namespace_prefix=args.namespace_prefix,
             auto_manage_storages_states=False,
             max_parallel_insert=args.max_parallel_insert,
-            addon_params={
-                "language": args.summary_language
-            },
+            addon_params={"language": args.summary_language},
         )
     else:  # azure_openai
         rag = LightRAG(
@@ -354,9 +352,7 @@ def create_app(args):
             # namespace_prefix=args.namespace_prefix,
             auto_manage_storages_states=False,
             max_parallel_insert=args.max_parallel_insert,
-            addon_params={
-                "language": args.summary_language
-            },
+            addon_params={"language": args.summary_language},
         )
 
     # Add routes
diff --git a/lightrag/api/run_with_gunicorn.py b/lightrag/api/run_with_gunicorn.py
index 95b12ab3..cf902a8a 100644
--- a/lightrag/api/run_with_gunicorn.py
+++ b/lightrag/api/run_with_gunicorn.py
@@ -120,12 +120,22 @@ def main():
 
             # Set configuration variables in gunicorn_config, prioritizing command line arguments
             gunicorn_config.workers = (
-                global_args.workers if global_args.workers else int(os.getenv("WORKERS", 1))
+                global_args.workers
+                if global_args.workers
+                else int(os.getenv("WORKERS", 1))
             )
 
             # Bind configuration prioritizes command line arguments
-            host = global_args.host if global_args.host != "0.0.0.0" else os.getenv("HOST", "0.0.0.0")
-            port = global_args.port if global_args.port != 9621 else int(os.getenv("PORT", 9621))
+            host = (
+                global_args.host
+                if global_args.host != "0.0.0.0"
+                else os.getenv("HOST", "0.0.0.0")
+            )
+            port = (
+                global_args.port
+                if global_args.port != 9621
+                else int(os.getenv("PORT", 9621))
+            )
             gunicorn_config.bind = f"{host}:{port}"
 
             # Log level configuration prioritizes command line arguments
@@ -137,7 +147,9 @@ def main():
 
             # Timeout configuration prioritizes command line arguments
             gunicorn_config.timeout = (
-                global_args.timeout if global_args.timeout * 2 else int(os.getenv("TIMEOUT", 150 * 2))
+                global_args.timeout
+                if global_args.timeout * 2
+                else int(os.getenv("TIMEOUT", 150 * 2))
             )
 
             # Keepalive configuration
@@ -157,7 +169,9 @@ def main():
                     else os.getenv("SSL_CERTFILE")
                 )
                 gunicorn_config.keyfile = (
-                    global_args.ssl_keyfile if global_args.ssl_keyfile else os.getenv("SSL_KEYFILE")
+                    global_args.ssl_keyfile
+                    if global_args.ssl_keyfile
+                    else os.getenv("SSL_KEYFILE")
                 )
 
             # Set configuration options from the module