Update app.py

app.py

@@ -641,13 +641,6 @@ def build_demo():
     return demo
 
 # --- API endpoint: /chat ---
-api_interface = gr.Interface(
-    fn=http_api_infer,
-    inputs=[gr.Textbox(label="Question")],
-    outputs="text",
-    api_name="/chat"
-)
-
 
 def http_api_infer(question: str, request: gr.Request):
     token = request.headers.get("x-api-token", "")
@@ -701,11 +694,12 @@ if __name__ == "__main__":
     ui_demo = build_demo()
 
     api_interface = gr.Interface(
-        fn=http_api_infer,
-        inputs=[gr.Image(type="pil"), gr.Textbox()],
-        outputs="text",
-        api_name="/chat"
-    )
+    fn=http_api_infer,
+    inputs=[gr.Textbox(label="Question")],
+    outputs="text",
+    api_name="/chat"
+)
+
 
     # Serve both under tabs — API tab will be invisible in browser but callable
     demo = gr.TabbedInterface(