Simplify calculator by removing HTTP requests

app.py

@@ -48,20 +48,23 @@ async def calculate(input_data: CalculatorInput):
 # Create Gradio interface
 def calculate_interface(num1: float, num2: float, operation: str) -> str:
     try:
-        # Use the same URL as the frontend
-        backend_url = os.getenv("BACKEND_URL", "https://setiyanikhil3-calculator-app.hf.space")
-        response = requests.post(
-            f"{backend_url}/calculate",
-            json={
-                "num1": num1,
-                "num2": num2,
-                "operation": operation
-            }
-        )
-        response.raise_for_status()
-        result = response.json()
-        return f"Result: {result['result']}"
-    except requests.exceptions.RequestException as e:
+        # Calculate directly without making an HTTP request
+        result = 0.0
+        if operation == "add":
+            result = num1 + num2
+        elif operation == "subtract":
+            result = num1 - num2
+        elif operation == "multiply":
+            result = num1 * num2
+        elif operation == "divide":
+            if num2 == 0:
+                return "Error: Cannot divide by zero"
+            result = num1 / num2
+        else:
+            return "Error: Invalid operation"
+        
+        return f"Result: {result}"
+    except Exception as e:
         return f"Error: {str(e)}"
 
 # Create the Gradio interface