diff --git a/async_tkinter_loop/async_tkinter_loop.py b/async_tkinter_loop/async_tkinter_loop.py
index 2338212..64d6a72 100644
--- a/async_tkinter_loop/async_tkinter_loop.py
+++ b/async_tkinter_loop/async_tkinter_loop.py
@@ -14,9 +14,7 @@ async def main_loop(root: tk.Tk) -> None:
     code.
 
     Args:
-    ----
         root: tkinter root window object
-
     """
     while True:
         # Process all pending events
@@ -35,10 +33,8 @@ def get_event_loop() -> asyncio.AbstractEventLoop:
     """
     A helper function which returns an event loop using current event loop policy.
 
-    Returns
-    -------
+    Returns:
         event loop
-
     """
     return asyncio.get_event_loop_policy().get_event_loop()
 
@@ -48,9 +44,7 @@ def async_mainloop(root: tk.Tk) -> None:
     A function, which is a substitute to the standard `root.mainloop()`.
 
     Args:
-    ----
         root: tkinter root object
-
     """
     get_event_loop().run_until_complete(main_loop(root))
 
@@ -58,19 +52,21 @@ def async_mainloop(root: tk.Tk) -> None:
 P = ParamSpec("P")
 
 
-def async_handler(async_function: Callable[P, Coroutine[Any, Any, None]], *args, **kwargs) -> Callable[P, None]:
+def async_handler(
+    async_function: Callable[P, Coroutine[Any, Any, None]],
+    *args: Any,  # noqa: ANN401
+    **kwargs: Any,  # noqa: ANN401
+) -> Callable[P, None]:
     """
     A helper function which allows to use async functions as command handlers (e.g. button click handlers) or event
     handlers.
 
     Args:
-    ----
         async_function: async function
         args: positional parameters which will be passed to the async function
         kwargs: keyword parameters which will be passed to the async function
 
     Returns:
-    -------
         A sync function, which runs the original async function in an async event loop.
 
     Usage examples:
@@ -105,7 +101,6 @@ async def some_async_function():
 
     button = tk.Button("Press me", command=some_async_function)
     ```
-
     """
 
     @wraps(async_function)
diff --git a/examples/custom_tkinter.py b/examples/custom_tkinter.py
index 6dd2473..bed886c 100644
--- a/examples/custom_tkinter.py
+++ b/examples/custom_tkinter.py
@@ -1,5 +1,4 @@
-"""A simple example how to use async code with CustomTkinter
-"""
+"""A simple example how to use async code with CustomTkinter"""
 
 import asyncio