fixing column types in lineplot

tabs/invalid_markets.py

@@ -28,6 +28,7 @@ def plot_daily_nr_invalid_markets(invalid_trades: pd.DataFrame):
         .agg(trades_count=("title", "count"), nr_markets=("title", "nunique"))
         .reset_index()
     )
+    daily_invalid_markets.columns = daily_invalid_markets.columns.astype(str)
     return gr.LinePlot(
         value=daily_invalid_markets,
         x="creation_date",