change output to json

app.py

@@ -4,7 +4,8 @@ import json
 
 def tokenize(Sentence):
     response = bap_preprocessing.tokenize(Sentence)
-    return response
+    result = json.dumps(response)
+    return result
 
 with gr.Blocks() as demo:
     gr.Markdown(
@@ -13,7 +14,7 @@ with gr.Blocks() as demo:
         """
     )
     input_s = gr.Textbox(placeholder="Sentence to be tokenized.", label="Sentence")
-    output = gr.Textbox(label="Tokens")
+    output = gr.JSON(label="Tokens")
     submit = gr.Button(text="Tokenize")
     submit.click(fn=tokenize, inputs=input_s, outputs=output)
     examples = gr.Examples([