Update frontend.py

frontend.py

@@ -6,7 +6,6 @@ history = []
 
 def calculate(expression):
     try:
-        # Use a relative URL for the API endpoint
         response = requests.post("/calculate", json={"expr": expression})
         if response.status_code == 200:
             result = response.json()["result"]
@@ -104,8 +103,4 @@ def create_interface():
                     gr.Button("e", elem_classes=["calculator-button", "advanced-op-button"]).click(
                         lambda x: update_expression(x, "e"), inputs=display, outputs=display)
 
-    return iface
-
-if __name__ == "__main__":
-    iface = create_interface()
-    iface.launch()
+    return iface