code: def _get_scale(self):
      return 1.0, 1.0, 1.0
  
file_path: sympy/sympy/plotting/pygletplot/plot_camera.py
imports: import pyglet.gl
  from sympy.plotting.pygletplot.plot_rotation import get_spherical_rotatation
  from sympy.plotting.pygletplot.util import get_model_matrix, model_to_screen, screen_to_model, vec_subs
label_desc: Use image node_id 7 for calling the PlotCamera obj's underlying member method code with example usage: obj._get_scale() and returns: int,  int,  int