fix columns

app.py

@@ -210,7 +210,7 @@ with demo:
         )
 
     with gr.Row():
-        with gr.Column(scale=2):
+        with gr.Column(scale=1):
             backend_checkboxes = gr.CheckboxGroup(
                 label="Backends 🏭",
                 choices=["pytorch", "onnxruntime"],
@@ -218,6 +218,7 @@ with demo:
                 info="☑️ Select the backends",
                 elem_id="backend-checkboxes",
             )
+        with gr.Column(scale=1):
             datatype_checkboxes = gr.CheckboxGroup(
                 label="Datatypes 📥",
                 choices=["float32", "float16"],