docstr: Render the given image to the pygame window
  :param image: a grayscale or color image in an arbitrary size. assumes that the channels are the last axis
  :return: None
code: def render_image(self, image):
      """
      Render the given image to the pygame window
      :param image: a grayscale or color image in an arbitrary size. assumes that the channels are the last axis
      :return: None
      """
      if self.is_open:
          if len(image.shape) == 2:
              image = np.stack([image] * 3)
          if len(image.shape) == 3:
              if image.shape[0] == 3 or image.shape[0] == 1:
                  image = np.transpose(image, (1, 2, 0))
          surface = pygame.surfarray.make_surface(image.swapaxes(0, 1))
          surface = pygame.transform.scale(surface, self.size)
          self.screen.blit(surface, (0, 0))
          self.display.flip()
          self.clock.tick()
          self.get_events()
  
file_path: coach/rl_coach/renderer.py
imports: import numpy
  import contextlib
  from pygame.locals import HWSURFACE, DOUBLEBUF
label_desc: Use image node_id 4 for calling the Renderer obj's underlying member method code with example usage: obj.render_image(image) without return types