Update app.py

app.py

@@ -18,7 +18,15 @@ def get_btc_price() -> str:
 
 @tool
 def get_btc_data(query: str) -> str:
-    """Fetches Bitcoin data using the CoinGecko API."""
+    """
+    Fetches Bitcoin data using the CoinGecko API.
+    
+    Args:
+        query (str): The type of data to fetch (e.g., "price", "market_cap", "circulating_supply").
+        
+    Returns:
+        str: The requested Bitcoin data.
+    """
     url = f"https://api.coingecko.com/api/v3/coins/bitcoin?localization=false&tickers=false&market_data=true&community_data=false&developer_data=false&sparkline=false"
     response = requests.get(url)
     if response.status_code != 200:
@@ -58,4 +66,4 @@ agent = CodeAgent(
 )
 
 # Launch the Gradio interface
-GradioUI(agent).launch()
+GradioUI(agent).launch()