Update app.py

app.py

@@ -43,7 +43,7 @@ def get_random_joke(type: str) -> str:
         url = "https://official-joke-api.appspot.com/types"
         response = requests.get(url, timeout=20)
         types = response.json()
-        url = f"https://official-joke-api.appspot.com/jokes{f"/{type}" if type and type in types else ""}/random"
+        url = f"https://official-joke-api.appspot.com/jokes{f'/{type}' if type and type in types else ''}/random"
         # Send a GET request to the URL with a 20-second timeout
         response = requests.get(url, timeout=20)
         response.raise_for_status()  # Raise an exception for bad status codes