Update app.py

app.py

@@ -430,7 +430,7 @@ with gr.Blocks(css=customCSS, theme=themeAlex) as demo:
                         cancelBtn = gr.Button("Stop")
                 with gr.Row():
                         image_display = gr.Image( visible=False)
-                        upload = gr.UploadButton("📁", file_types=["image", "pdf", "docx", "pptx", "xlsx"], scale = 10)
+                        upload = gr.UploadButton("📁", file_types=["pdf", "docx", "pptx", "xlsx"], scale = 10)
                         emptyBtn = gr.ClearButton([user_input, chatbot, history, attached_file, attached_file_history, image_display], value="🧹 Neue Session", scale=10)  
                         
             with gr.Column(visible = False):