Changed reading of list of arbitrary cells to be str

GDE_TOOLS_general.py

@@ -1261,7 +1261,7 @@ def define_grid_cell_list_to_process(configuration_dict, script_name):
     """
     out_grid_cells_def_method= configuration_dict[script_name]['method']
     if out_grid_cells_def_method=='arbitrary':
-        out_grid_cells_list= [int(i) for i in configuration_dict[script_name]['arbitr_list'].split(', ')] 
+        out_grid_cells_list= [i for i in configuration_dict[script_name]['arbitr_list'].split(', ')] 
     elif out_grid_cells_def_method=='country_in_DB':
         out_grid_cells_list= gdet_psql.retrieve_cell_IDs_by_country(configuration_dict['Tiles Database']['db_tiles_name'], 
                                                                     configuration_dict['Tiles Database']['db_tiles_username'],