fixing error in Agent graph

tabs/agent_graphs.py

@@ -97,12 +97,10 @@ def plot_rolling_average_roi(
     # Get the 2-week rolling average of ROI
     rolling_avg_roi_df = get_twoweeks_rolling_average_roi(filtered_traders_data)
     print(rolling_avg_roi_df.head())
-    # Ensure 'month_year_week' is a column, not an index
-    if "month_year_week" not in rolling_avg_roi_df.columns:
-        rolling_avg_roi_df = rolling_avg_roi_df.reset_index()
+
     fig = px.bar(
         rolling_avg_roi_df,
-        x="month_year_week",
+        x="creation_date",
         y="rolling_avg_roi",
     )
     fig.update_layout(