diff --git a/src/ad_seller/clients/freewheel_adapter.py b/src/ad_seller/clients/freewheel_adapter.py
index ca25952..23a8e28 100644
--- a/src/ad_seller/clients/freewheel_adapter.py
+++ b/src/ad_seller/clients/freewheel_adapter.py
@@ -27,7 +27,6 @@
     BookingResult,
 )
 from .freewheel_mcp_client import FreeWheelMCPClient
-from .freewheel_oauth import FreeWheelOAuthManager, build_oauth_mcp_url
 from .freewheel_normalizer import (
     micros_to_dollars,
     normalize_audience_segments,
@@ -35,6 +34,7 @@
     normalize_deal,
     normalize_inventory,
 )
+from .freewheel_oauth import FreeWheelOAuthManager, build_oauth_mcp_url
 
 logger = logging.getLogger(__name__)
 
@@ -65,16 +65,12 @@ def _get_settings(self) -> Any:
 
     def _get_sh_oauth_manager(self) -> FreeWheelOAuthManager:
         if self._sh_oauth_manager is None:
-            self._sh_oauth_manager = FreeWheelOAuthManager.for_provider(
-                self._get_settings(), "sh"
-            )
+            self._sh_oauth_manager = FreeWheelOAuthManager.for_provider(self._get_settings(), "sh")
         return self._sh_oauth_manager
 
     def _get_bc_oauth_manager(self) -> FreeWheelOAuthManager:
         if self._bc_oauth_manager is None:
-            self._bc_oauth_manager = FreeWheelOAuthManager.for_provider(
-                self._get_settings(), "bc"
-            )
+            self._bc_oauth_manager = FreeWheelOAuthManager.for_provider(self._get_settings(), "bc")
         return self._bc_oauth_manager
 
     # =========================================================================
diff --git a/src/ad_seller/clients/freewheel_oauth.py b/src/ad_seller/clients/freewheel_oauth.py
index 3ddb7f0..c6739ae 100644
--- a/src/ad_seller/clients/freewheel_oauth.py
+++ b/src/ad_seller/clients/freewheel_oauth.py
@@ -354,7 +354,9 @@ async def bootstrap(
             webbrowser.open(authorize_url)
 
         try:
-            callback_params = await asyncio.to_thread(callback_server.wait_for_result, timeout_seconds)
+            callback_params = await asyncio.to_thread(
+                callback_server.wait_for_result, timeout_seconds
+            )
         finally:
             callback_server.server_close()
 
@@ -442,4 +444,4 @@ def _state_from_token_response(
             expires_at=expires_at.isoformat(),
             scope=token_response.get("scope", self.config.scope),
             token_type=token_response.get("token_type", "Bearer"),
-        )
\ No newline at end of file
+        )