fixing error in agents graph

tabs/agent_graphs.py

@@ -85,7 +85,7 @@ def plot_rolling_average_roi(
     # Filter the weekly_roi_df to include only those addresses
     filtered_traders_data = traders_data[
         traders_data["trader_address"].isin(unique_addresses)
-    ]
+    ].copy()
     # create the date column
     filtered_traders_data["creation_timestamp"] = pd.to_datetime(
         filtered_traders_data["creation_timestamp"]
@@ -161,6 +161,12 @@ 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()
 
+    # Remove NaN values
+    weekly_avg = weekly_avg.dropna(subset=["roi"])
+
+    # Rename columns for clarity
+    weekly_avg = weekly_avg.rename(columns={"roi": "weekly_avg_roi"})
+
     return weekly_avg
 
 
@@ -174,7 +180,7 @@ def plot_weekly_average_roi(
     # Filter the weekly_roi_df to include only those addresses
     filtered_traders_data = traders_data[
         traders_data["trader_address"].isin(unique_addresses)
-    ]
+    ].copy()
     # create the date column
     filtered_traders_data["creation_timestamp"] = pd.to_datetime(
         filtered_traders_data["creation_timestamp"]
@@ -191,7 +197,7 @@ def plot_weekly_average_roi(
     fig = px.line(
         weekly_avg_roi_df,
         x="creation_date",
-        y="weekly_avg_roi",
+        y="roi",
     )
     fig.update_layout(
         xaxis_title="Week",