code: def theme_void():
      """
      A completely blank (or "void") background theme: no borders, axes, or gridlines.
  
      Returns
      -------
      `FeatureSpec`
          Theme specification.
  
      Examples
      --------
      .. jupyter-execute::
          :linenos:
          :emphasize-lines: 7
  
          import numpy as np
          from lets_plot import *
          LetsPlot.setup_html()
          np.random.seed(42)
          data = {'x': np.random.normal(size=1000)}
          ggplot(data, aes(x='x')) + geom_histogram() + \\
              theme_void()
  
      """
      blank_elems = {"line": "blank", "axis": "blank"}
      return theme_classic() + FeatureSpec(
          "theme", name=None, **blank_elems
      )
  
file_path: lets-plot/python-package/lets_plot/plot/theme_set.py
imports: from .core import FeatureSpec
label_desc: Use image node_id 8 for calling a global function with example usage: theme_void() and returns: unknown