code: def time_plot_values(self, *args):
      self.df.plot(column="values")
  
imports: import random
  from geopandas import GeoDataFrame, GeoSeries
  from shapely.geometry import Point, LineString, Polygon, MultiPolygon
  import numpy
label_desc: Use image node_id 3 for calling the Bench obj's underlying member method code with example usage: obj.time_plot_values() without return types