diff --git a/tests/test_annotated.py b/tests/test_annotated.py
index beb4ce2293..657e2bd6d0 100644
--- a/tests/test_annotated.py
+++ b/tests/test_annotated.py
@@ -60,8 +60,10 @@ def cmd(force: Annotated[bool, typer.Option("--force")] = False):
     assert result.exit_code == 0, result.output
     assert "Forcing operation" in result.output
 
+
 def test_runner_can_use_an_async_method():
     app = typer.Typer()
+
     @app.command()
     async def cmd(val: Annotated[int, typer.Argument()] = 0):
         print(f"hello {val}")
@@ -74,10 +76,14 @@ async def cmd(val: Annotated[int, typer.Argument()] = 0):
     assert result.exit_code == 0, result.output
     assert "hello 42" in result.output
 
+
 if sys.version_info >= (3, 11):
+
     def test_runner_can_use_a_custom_async_loop():
         import asyncio
+
         app = typer.Typer(loop_factory=asyncio.new_event_loop)
+
         @app.command()
         async def cmd(val: Annotated[int, typer.Argument()] = 0):
             print(f"hello {val}")
@@ -89,4 +95,3 @@ async def cmd(val: Annotated[int, typer.Argument()] = 0):
         result = runner.invoke(app, ["42"])
         assert result.exit_code == 0, result.output
         assert "hello 42" in result.output
-
diff --git a/tests/test_completion/test_completion_install.py b/tests/test_completion/test_completion_install.py
index 830f5901c9..1a5b5f3833 100644
--- a/tests/test_completion/test_completion_install.py
+++ b/tests/test_completion/test_completion_install.py
@@ -5,9 +5,9 @@
 from unittest import mock
 
 import shellingham
+from typer.testing import CliRunner
 
 from docs_src.commands.index import tutorial001 as mod
-from typer.testing import CliRunner
 
 runner = CliRunner()
 app = mod.app
@@ -142,6 +142,7 @@ def test_completion_install_fish():
     assert "completion installed in" in result.stdout
     assert "Completion will take effect once you restart the terminal" in result.stdout
 
+
 def test_completion_install_powershell():
     completion_path: Path = (
         Path.home() / f".config/powershell/Microsoft.PowerShell_profile.ps1"
diff --git a/typer/main.py b/typer/main.py
index e0895bc722..0538e53e38 100644
--- a/typer/main.py
+++ b/typer/main.py
@@ -249,7 +249,9 @@ def runner(*args, **kwargs) -> Any:
                     elif sys.version_info >= (3, 7):
                         return asyncio.run(f(*args, **kwargs))
                     else:
-                        asyncio.get_event_loop().run_until_complete(asyncio.wait(f(*args, **kwargs)))
+                        asyncio.get_event_loop().run_until_complete(
+                            asyncio.wait(f(*args, **kwargs))
+                        )
 
                 return runner
 
@@ -277,7 +279,6 @@ def runner(*args, **kwargs) -> Any:
                 )
             )
 
-
         return decorator
 
     def add_typer(