diff --git a/aider/models.py b/aider/models.py
index 0c7e0ecc9..4d51bd0a9 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -791,7 +791,7 @@ def sanity_check_model(io, model):
 def check_for_dependencies(io, model_name):
     """
     Check for model-specific dependencies and install them if needed.
-    
+
     Args:
         io: The IO object for user interaction
         model_name: The name of the model to check dependencies for
@@ -803,14 +803,14 @@ def check_for_dependencies(io, model_name):
         check_pip_install_extra(
             io, "boto3", "AWS Bedrock models require the boto3 package.", ["boto3"]
         )
-    
+
     # Check if this is a Vertex AI model and ensure google-cloud-aiplatform is installed
     elif model_name.startswith("vertex_ai/"):
         check_pip_install_extra(
-            io, 
-            "google.cloud.aiplatform", 
-            "Google Vertex AI models require the google-cloud-aiplatform package.", 
-            ["google-cloud-aiplatform"]
+            io,
+            "google.cloud.aiplatform",
+            "Google Vertex AI models require the google-cloud-aiplatform package.",
+            ["google-cloud-aiplatform"],
         )