fix subject f string

streamlit-venv/lib/python3.10/site-packages/pydeck/widget/debounce.py

@@ -0,0 +1,34 @@
+import asyncio
+
+
+class Timer:
+    def __init__(self, timeout, callback):
+        self._timeout = timeout
+        self._callback = callback
+        self._task = asyncio.ensure_future(self._job())
+
+    async def _job(self):
+        await asyncio.sleep(self._timeout)
+        self._callback()
+
+    def cancel(self):
+        self._task.cancel()
+
+
+def debounce(wait):
+    def decorator(fn):
+        timer = None
+
+        def debounced(*args, **kwargs):
+            nonlocal timer
+
+            def call_it():
+                fn(*args, **kwargs)
+
+            if timer is not None:
+                timer.cancel()
+            timer = Timer(wait, call_it)
+
+        return debounced
+
+    return decorator