Restore GPU version - remove CPU optimizations and restore GPU-compatible dependencies

app.py

@@ -149,18 +149,17 @@ with gr.Blocks(title="Brain MRI QA") as demo:
         # Left column
         with gr.Column():
             image_input = gr.Image(type="filepath", label="Upload Medical Image")
-            question_box = gr.Textbox(label="Your Question about the Image", placeholder="Type your question here...")
-            
-            
-            with gr.Column():
+            question_box = gr.Textbox(
+                label="Your Question about the Image",
+                placeholder="Type your question here..."
+            )
+            # Buttons side by side
+            with gr.Row():
                 submit_btn = gr.Button("Submit")
-            with gr.Column():
                 clear_btn = gr.Button("Clear")
 
-
         # Right column
         with gr.Column():
-            # llm_output = gr.Textbox(label="Detailed LLM Answer", interactive=False, lines=10)
             llm_output = gr.Markdown(label="Detailed LLM Answer")
 
     submit_btn.click(