Update app.py

app.py

@@ -70,7 +70,7 @@ css = """
 """
 with gr.Blocks(css=css) as demo:
     with gr.Column(elem_id="col-container"):
-        image = gr.Image(sources=[upload], type="filepath")
+        image = gr.Image(sources=["upload"], type="filepath")
         b_lora_name = gr.Textbox(label="b_lora_name", placeholder="b_lora_trained_folder")
         instance_prompt = gr.Textbox(label="instance prompt", placeholder="[v42]")
         train_btn = gr.Button("Train B-LoRa")