Update app.py

app.py

@@ -1,6 +1,5 @@
 import gradio as gr
 import pandas as pd
-import csv
 
 def update_scores(winner_score, loser_score, k_factor=100):
     score_difference = k_factor / (winner_score / loser_score)
@@ -83,6 +82,9 @@ with gr.Blocks(theme=theme) as app:
         gr.Markdown("### Rank Criteria")
         criteria_input = gr.Textbox(label="Criteria")
         add_criteria_button = gr.Button("Add Criteria")
+
+        # Define the remove_criteria_input TextBox
+        remove_criteria_input = gr.Textbox(label="Criteria")
         remove_criteria_button = gr.Button("Remove Criteria")
         
         criteria_df = pd.DataFrame(columns=['score', 'criteria'])