fix: linting errors

example.py

@@ -1,18 +1,18 @@
 import streamlit as st
 from src.streamlit_shortcuts.streamlit_shortcuts import button, add_keyboard_shortcuts
 
+
 def main():
     st.title("Streamlit Shortcuts Example")
 
     # Example 1: Simple button with shortcut
-    if button("Click me!", "ctrl+shift+c", lambda: st.success("Button clicked!"), hint=True):
+    if button(
+        "Click me!", "ctrl+shift+c", lambda: st.success("Button clicked!"), hint=True
+    ):
         st.write("Button was clicked")
 
     # Example 2: Multiple shortcuts
-    add_keyboard_shortcuts({
-        "ctrl+shift+s": "Save",
-        "ctrl+shift+o": "Open"
-    })
+    add_keyboard_shortcuts({"ctrl+shift+s": "Save", "ctrl+shift+o": "Open"})
 
     if st.button("Save"):
         st.success("Saved! (You can also press Ctrl+Shift+S)")
@@ -28,5 +28,6 @@ def greet(name):
 
     st.write("Try using the keyboard shortcuts!")
 
+
 if __name__ == "__main__":
     main()