diff --git a/aider/main.py b/aider/main.py
index 04d660909..b40a897f3 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -21,20 +21,23 @@ from aider.versioncheck import check_version, install_from_main_branch, install_
 
 from .dump import dump  # noqa: F401
 
+
 def setup_git_home(io):
     home = Path.home()
     git_repos = list(home.glob("*/.git"))
-    
+
     if git_repos:
         io.tool_output("Found existing Git repositories in your home directory:")
         for i, repo in enumerate(git_repos, 1):
             io.tool_output(f"{i}. {repo.parent.name}")
-        
-        choice = io.user_input("Enter the number of the repository you want to work on, or 'n' for a new project: ")
-        
+
+        choice = io.user_input(
+            "Enter the number of the repository you want to work on, or 'n' for a new project: "
+        )
+
         if choice.isdigit() and 1 <= int(choice) <= len(git_repos):
             return str(git_repos[int(choice) - 1].parent)
-    
+
     project_name = io.user_input("Enter a name for your new project: ")
     new_dir = home / project_name
     new_dir.mkdir(exist_ok=True)
@@ -77,7 +80,9 @@ def setup_git(git_root, io):
         cwd = Path.cwd()
         if cwd == Path.home():
             git_root = setup_git_home(io)
-        elif io.confirm_ask("No git repo found, create one to track aider's changes (recommended)?"):
+        elif io.confirm_ask(
+            "No git repo found, create one to track aider's changes (recommended)?"
+        ):
             git_root = str(cwd.resolve())
             repo = git.Repo.init(git_root)
             io.tool_output("Git repository created in the current working directory.")