removed renaming of columns

tabs/agent_graphs.py

@@ -161,12 +161,6 @@ def get_weekly_average_roi(traders_data: pd.DataFrame) -> pd.DataFrame:
     # Resample to weekly frequency and calculate mean
     weekly_avg = daily_avg.resample("W").mean().reset_index()
 
-    # Rename columns for consistency
-    weekly_avg.rename(
-        columns={"date": "creation_date", "roi": "weekly_avg_roi"},
-        inplace=True,
-    )
-
     return weekly_avg
 
 
@@ -197,7 +191,7 @@ def plot_weekly_average_roi(
     fig = px.line(
         weekly_avg_roi_df,
         x="creation_date",
-        y="roi",
+        y="weekly_avg_roi",
     )
     fig.update_layout(
         xaxis_title="Week",