fix err

app.py

@@ -2,7 +2,7 @@ import gradio as gr
 import pandas as pd
 from nltk.corpus import wordnet as wn
 import nltk
-nltk.download()
+nltk.download('wordnet')
 
 df_tree = pd.read_csv("data/20k_tree.csv")
 df_metrics = pd.read_csv("data/benchmark.csv")
@@ -26,7 +26,7 @@ with gr.Blocks() as app:
     
     gr.Label("Benchmark Explorer", style="h1")
     model_list = list(set(df_metrics.model.values.tolist()))
-    gr.TextArea(f"This is a simple interface to query the benchmark results. You can use * as a wildcard for the model name. The available models are {", ".join(model_list)}.", lines=2)
+    gr.TextArea(f"This is a simple interface to query the benchmark results. You can use * as a wildcard for the model name. The available models are {', '.join(model_list)}.", lines=2)
     with gr.Row():
         # model = gr.inputs.Dropdown(label="model",choices=list(set(df_metrics.model.values.tolist())))
         model = gr.Textbox(label="model")