Update app.py

app.py

@@ -31,6 +31,7 @@ def plot_timeline(yaxis, citi = ['المدينه', 'بغداد', 'كوفة', 'ب
         tot = taraf_s.groupby(['Year']).sum().reset_index().drop(['Unnamed: 0', 'Ranking'], axis = 1)
         tot['City'] = 'All'
         filtered = pd.concat([filtered, tot])
+        filtered = filtered[(filtered['Year'] >= min_year) & (filtered['Year'] <= max_year)]
     fig = px.line(data_frame = filtered, x = 'Year', y = yaxis, title = f"{yaxis} per Year", color = 'City', template = 'plotly_dark' )
     fig.update_layout(legend_x=1, legend_y=0, title = {'x':.5})
     return fig