Fixing typo

app.py

@@ -211,6 +211,7 @@ def prepare_data():
         unknown_trades,
         winning_df,
         daily_mech_requests,
+        errors_by_mech,
     )
 
 
@@ -222,6 +223,7 @@ def prepare_data():
     unknown_trades,
     winning_df,
     daily_mech_requests,
+    errors_by_mech,
 ) = prepare_data()
 trades_df = trades_df.sort_values(by="creation_timestamp", ascending=True)
 unknown_trades = unknown_trades.sort_values(by="creation_timestamp", ascending=True)
@@ -586,7 +588,7 @@ with demo:
                 gr.Markdown("# Weekly Error distribution per Mech address")
 
             with gr.Row():
-                errors_by_mech = plot_weekly_errors_by_mech(
+                errors_by_mech_plot = plot_weekly_errors_by_mech(
                     errors_by_mech=errors_by_mech
                 )