hotfix

app.py

@@ -40,7 +40,7 @@ def get_hist_roi():
         main_fg.select(["ftour", "avg_gt_2_5", "avg_lt_2_5"]),
         on=["datetime", "hometeam", "awayteam"],
     )
-    df = query.read()
+    df: pd.DataFrame = query.read()
 
     df = df.sort_values(["datetime", "hometeam", "awayteam"], ignore_index=True)
 
@@ -49,6 +49,8 @@ def get_hist_roi():
         lambda x: int(x.lower() == "o") if not pd.isna(x) else pd.NA
     )
 
+    df.dropna(inplace=True)
+
     # Determine the odds based on predictions
     df["odds"] = df.apply(
         lambda row: row["avg_gt_2_5"] if row["predictions"] == 1 else row["avg_lt_2_5"],