Update app.py

app.py

@@ -230,7 +230,7 @@ if uploaded_file is not None:
                 # Get Zonal Max composite NDVI based on collection and geometries (Original KML and Buffered KML)
                 max_ndvi_geoms.append(get_zonal_ndviYoY(collection.filterBounds(geom_ee_object), geom_ee_object))
                 max_ndvi_buffered_geoms.append(get_zonal_ndviYoY(collection.filterBounds(buffered_ee_object), buffered_ee_object))
-                years.append(year)
+                years.append(str(year))
 
                 # Get Zonal NDVI
                 df_geom = get_zonal_ndvi(collection.filterBounds(geom_ee_object), geom_ee_object)