Update app.py

app.py

@@ -28,7 +28,6 @@ gr.close_all()
 
 demo = gr.Interface(fn = invoke, 
                     inputs = [gr.Textbox(label = "OpenAI API Key", type = "password", lines = 1),
-                              gr.Textbox(label = "Serper API Key", type = "password", lines = 1),
                               gr.Textbox(label = "Topic", value="Evolution of Retrieval-Augmented Generation from Naive RAG to Advanced RAG to Agentic RAG", lines = 1)],
                     outputs = [gr.Textbox(label = "Output", lines = 1)],
                     title = "Agentic RAG: LinkedIn Post Generation",