Bug fix in bar plot

app.py

@@ -96,7 +96,7 @@ def explore_timeline():
 
         for team in ["Man. United", "Rangers"]:
             st.subheader(team)
-            frame_bar = data.dropna(axis=0, subset=["first_role"])[data["first_role"] == team].value_counts().plot.bar(y=frame_column, backend="plotly")
+            frame_bar = data[data["first_role"] == team][frame_column].value_counts().plot.bar(y=frame_column, backend="plotly")
             st.plotly_chart(frame_bar)