Revert "The same result with numpy"

This reverts commit b8b9da067581ef60b75c3aa8d5e31e09d72817aa.

server.py

@@ -21,7 +21,6 @@ from threading import Lock
 
 import gradio as gr
 import pandas as pd
-import numpy as np
 from huggingface_hub import HfApi, snapshot_download
 
 from compare_significance import SUPPORTED_METRICS
@@ -219,15 +218,16 @@ class LeaderboardServer:
 
     @staticmethod
     def _model_tournament_table_highlight_true_and_false(x):
-        return np.where(
-            x == True,
-            'background-color: rgba(0, 255, 0, 0.1);',
-            np.where(
-                x == False,
-                'background-color: rgba(255, 0, 0, 0.1);',
-                None
-            )
-        )
+        df_css = x.copy()
+        for c in df_css:
+          for i in range(len(df_css.index)):
+            if x[c].iloc[i] == True:
+              df_css[c].iloc[i] = 'background-color: rgba(0, 255, 0, 0.1);'
+            elif x[c].iloc[i] == False:
+              df_css[c].iloc[i] = 'background-color: rgba(255, 0, 0, 0.1);'
+            else:
+              df_css[c].iloc[i] = ''
+        return df_css 
 
     def get_model_tournament_table(self, submission_id, category):
         if category == self.TASKS_CATEGORY_OVERALL: