code: def save_pdf(self, name):
      plt.savefig(name + ".pdf", bbox_inches="tight")
  
file_path: coach/rl_coach/plot_atari.py
imports: import argparse
  import os
  import matplotlib
  import matplotlib.pyplot
  from rl_coach.dashboard_components.signals_file import SignalsFile
label_desc: Use image node_id 5 for calling the FigureMaker obj's underlying member method code with example usage: obj.save_pdf(name) without return types