Update modules/ui.py

                                with gr.Tabs():

                                    with gr.Tab(label="Resize to") as tab_scale_to:

                                        with FormRow():

                                            with gr.Column(elem_id="img2img_column_size", scale=4):

                                                width = gr.Slider(minimum=64, maximum=2048, step=8, label="Width", value=512, elem_id="img2img_width")

                                                height = gr.Slider(minimum=64, maximum=2048, step=8, label="Height", value=512, elem_id="img2img_height")

                                            with gr.Column(elem_id="img2img_dimensions_row", scale=1, elem_classes="dimensions-tools"):

                                                res_switch_btn = ToolButton(value=switch_values_symbol, elem_id="img2img_res_switch_btn")

                                    with gr.Tab(label="Resize by") as tab_scale_by:

                                        scale_by = gr.Slider(minimum=0.05, maximum=4.0, step=0.05, label="Scale", value=1.0, elem_id="img2img_scale")

                            tab_scale_to.select(fn=lambda: 0, inputs=[], outputs=[selected_scale_tab])

                            tab_scale_by.select(fn=lambda: 1, inputs=[], outputs=[selected_scale_tab])

                            with gr.Column(elem_id="img2img_dimensions_row", scale=1, elem_classes="dimensions-tools"):

                                res_switch_btn = ToolButton(value=switch_values_symbol, elem_id="img2img_res_switch_btn")

                            if opts.dimensions_and_batch_together:

                                with gr.Column(elem_id="img2img_column_batch"):

                                    batch_count = gr.Slider(minimum=1, step=1, label='Batch count', value=1, elem_id="img2img_batch_count")