Update app.py

app.py

@@ -24,12 +24,14 @@ max_year = int(taraf_s['Year'].max())
 
 
 def plot_taraf_map(min_year = 0, max_year = 400):
-  filtered = geodf[(geodf['Year'] >= min_year) & (geodf['Year'] <= max_year)]
-  temp = filtered[['City', 'Taraf']].groupby('City').sum().join(filtered[['City', 'Coordinates']].set_index('City'))
-  filtered = geopandas.GeoDataFrame(temp, geometry= 'Coordinates').reset_index()
-  fig = px.scatter_mapbox(data_frame = filtered, lat = filtered.geometry.y, lon = filtered.geometry.x,size = filtered.Taraf,color = filtered.Taraf, title = 'Number of Tarafs in Place', opacity = .5, zoom = 0, hover_data = 'City')
-  fig.update_layout(title_font_color = 'red', title_x = .5, mapbox_style="stamen-terrain")
-  return fig
+    if min_year > max_year:
+        raise gr.Error('Minimum Year cannot be bigger than final ear!')
+    filtered = geodf[(geodf['Year'] >= min_year) & (geodf['Year'] <= max_year)]
+    temp = filtered[['City', 'Taraf']].groupby('City').sum().join(filtered[['City', 'Coordinates']].set_index('City'))
+    filtered = geopandas.GeoDataFrame(temp, geometry= 'Coordinates').reset_index()
+    fig = px.scatter_mapbox(data_frame = filtered, lat = filtered.geometry.y, lon = filtered.geometry.x,size = filtered.Taraf,color = filtered.Taraf, title = 'Number of Tarafs in Place', opacity = .5, zoom = 0, hover_data = 'City')
+    fig.update_layout(title_font_color = 'red', title_x = .5, mapbox_style="stamen-terrain")
+    return fig