'tuple' object has no attribute 'format'

[40740]

Adding LR flips... (doubling the number of images from 13 to 26)
Generating 26 captions using blip in style mode...
All captions loaded from disk, skipping captioning...
WARNING: no captioning text was given and we're not doing chatgpt cleanup...
Concept mode: style
!!! Exception during processing !!! 'tuple' object has no attribute 'format'
Traceback (most recent call last):
File "//ComfyUI/execution.py", line 317, in execute
output_data, output_ui, has_subgraph = get_output_data(obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb)
File "//ComfyUI/execution.py", line 192, in get_output_data
return_values = _map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb)
File "//ComfyUI/execution.py", line 169, in _map_node_over_list
process_inputs(input_dict, i)
File "//ComfyUI/execution.py", line 158, in process_inputs
results.append(getattr(obj, func)(**inputs))
File "//ComfyUI/custom_nodes/sd-lora-trainer/node.py", line 107, in train_lora
progress_f = next(train_generator)
File "//ComfyUI/custom_nodes/sd-lora-trainer/main.py", line 69, in train
config, input_dir = preprocess(
File "//ComfyUI/custom_nodes/sd-lora-trainer/trainer/preprocess.py", line 97, in preprocess
config = load_and_save_masks_and_captions(
File "//ComfyUI/custom_nodes/sd-lora-trainer/trainer/preprocess.py", line 811, in load_and_save_masks_and_captions
captions = [config.prompt_modifier.format(caption) for caption in captions]
File "//ComfyUI/custom_nodes/sd-lora-trainer/trainer/preprocess.py", line 811, in
captions = [config.prompt_modifier.format(caption) for caption in captions]
AttributeError: 'tuple' object has no attribute 'format'

[40740]

Python and Comfyui both report the same error

[Zorbaq]

Must be the config.prompt_modifier addition. No problem in 1568f10.