very very very litte mistake

app.py

@@ -47,8 +47,8 @@ sum_all_author = naturalsize(sum(df['models'].tolist()+df['datasets'].tolist()+d
 naturalsize_columns = ['Total Usage', 'models', 'datasets', 'spaces']
 df[naturalsize_columns] = df[naturalsize_columns].applymap(naturalsize)
 
-df = df[['Serial Number', "author", "Total Usage", "models", "datasets", "spaces"]]
 df['Serial Number'] = [i for i in range(1, len(df)+1)]
+df = df[['Serial Number', "author", "Total Usage", "models", "datasets", "spaces"]]
 
 df = apply_headers(df, ["🔢 Serial Number", "👤 Author", "⚡️ Total Usage", "🏛️ Models", "📊 Datasets", "🚀 Spaces"])