update

app.py

@@ -366,7 +366,7 @@ with gr.Blocks() as demo:
 			yield {desc_md : gr.Markdown("Mapping...", visible=True)}
 		    
 			# match the names
-			stage1_info, channel_info, tpl_montage, in_montage = app_utils.match_names(stage1_info, channel_info)
+			stage1_info, channel_info, tpl_montage, in_montage = app_utils.match_names(stage1_info)
 			# scale the coordinates
 			channel_info = app_utils.align_coords(channel_info, tpl_montage, in_montage)
 			# generate and save figures of the montages

app_utils.py

@@ -230,7 +230,7 @@ def find_neighbors(channel_info, missing_channels, new_idx):
     
 	return new_idx
 
-def match_names(stage1_info, channel_info):
+def match_names(stage1_info):
     # read the location file
 	loc_file = stage1_info["fileNames"]["input_loc"]
 	tpl_montage, in_montage, tpl_dict, in_dict = read_montage_data(loc_file)