Update app.py

app.py

@@ -18,7 +18,7 @@ def calculate_sum(number1:float, number2:float)-> float: #it's import to specify
     """
     try:
         suma = number1 + number2
-        return f"The sum is'{suma}'"
+        return f"The sum is {suma}"
     except Exception as e:
         return f"Error suming: {str(e)}"