update

app.py

@@ -224,7 +224,7 @@ with gr.Blocks() as demo:
 			gr.Markdown("# 1.Channel Mapping")
 			# ---------------------input---------------------
 			in_loc_file = gr.File(label="Channel locations (.loc, .locs, .xyz, .sfp, .txt)",
-							file_types=['.loc', 'locs', '.xyz', '.sfp', '.txt'])
+							file_types=[".loc", "locs", ".xyz", ".sfp", ".txt"])
 			map_btn = gr.Button("Map")
 			# ---------------------output--------------------
 			desc_md = gr.Markdown(visible=False)
@@ -232,7 +232,7 @@ with gr.Blocks() as demo:
 			# --------------------mapping--------------------
 			# step1 : initial matching and scaling
 			with gr.Row():
-				tpl_img = gr.Image('./template_montage.png', label="Template montage", visible=False)
+				tpl_img = gr.Image("./template_montage.png", label="Template montage", visible=False)
 				mapped_img = gr.Image(label="Matching results", visible=False)
 			# step2 : forward unmatched input channels to empty template channels
 			radio_group = gr.Radio(elem_id="radio-group", visible=False)
@@ -322,7 +322,7 @@ with gr.Blocks() as demo:
 	    	"mappingData" : [
 	    	{
 				"newOrder" : None,
-				"fillFlags" : None
+				"fillFlags" : None,
 				#"channelUsageNum" : None
 			}
 	    	]