commenting and added docs strings until the rectangular container

mysite/plots/dataset_creator.py

 # import pandas as pd
-# from .packing_algo import ConvexPolygon, pack_polygons, truncate, End_Container, plot_containers, ConvexContainer
+# from .packing_algo import ConvexPolygon, pack_polygons, truncate, RectangularContainer, plot_containers, ConvexContainer
 # from .polygon_creator import voronoi_polygons_wrapper, rectangle_cutter
 #
 #
@@ -74,7 +74,7 @@
 #                                  'angle_0_area/opt_area': angle_0_area_div_list,
 #                                  'angle_0_not_clipped_area/opt_area': angle_0_not_clipped_area_div_list,
 #                                  'opt-area': opt_area_list, 'polygon count': polygon_count_list,
-#                                  'mini-container count': mini_container_count_list, 'end-container': end_container_list}
+#                                  'mini-container count': mini_container_count_list, 'Rectangular-Container': end_container_list}
 #     return rect_containers_data_dict
 #
 #

mysite/plots/urls.py

 from django.urls import path
 from plots.views import PolygonEditView, PackingRectContainer, PackingRotatedRectContainer, PackingConvexContainer, \
-    CSVPolygons, ClearPolygons ,CreateConvexPolygons
-from . import views
+    CSVPolygons, ClearPolygons, CreateConvexPolygons
+
 
 urlpatterns = [
     path('', PolygonEditView.as_view(), name='start-page'),