Fixing dcf tool

app.py

@@ -85,7 +85,7 @@ def calculate_percent_valuation(intrinsic_value:float, current_stock_price:float
     return (intrinsic_value-current_stock_price)/abs(intrinsic_value)
 
 @tool
-def calculate_intrinsic_value(ticker, average_growth_rate):
+def calculate_intrinsic_value(ticker:str, average_growth_rate):
     """This tool is helpful for calculating the intrinsic value of a stock. It takes the stock ticker, the average growth rate based on revenue (retrieved from financial reports or with the polygon API. This should be capped at plus or minus 300% per year.)"""
     wacc = calculate_wacc(ticker)
 
@@ -123,8 +123,8 @@ def calculate_wacc( #refer to https://www.gurufocus.com/term/wacc/SOFI#:~:text=S
     return wacc
 
 @tool
-def get_dcf(ticker):
-    """This tool takes a stock ticker as an argument and returns the discounted cash flow valuation, in dollars. This tool is helpful when trying to determine the intrinsic value of a company, or if a company is overvalued or undervalued."""
+def get_dcf(ticker:str):
+    """This tool takes a single stock ticker as an argument and returns the discounted cash flow valuation, in dollars. This tool is helpful when trying to determine the intrinsic value of a company, or if a company is overvalued or undervalued."""
     url = f'https://financialmodelingprep.com/api/v3/discounted-cash-flow/{ticker}?apikey={FMP_API_KEY}'
 
     # Make the request to the API
@@ -135,7 +135,7 @@ def get_dcf(ticker):
         # Parse the response JSON
         dcf_data = response.json()
         # return the DCF data
-        return dcf_data.get("dcf")
+        return dcf_data[0]["dcf"]
     else:
         # return the error message
         return f"Failed to retrieve data: {response.status_code}"