code: def matplotlib_without_image():
      """Create a matplotlib figure without an image"""
      fig, ax = plt.subplots(2)
      ax[0].plot([1, 2, 3])
      ax[1].plot([1, 2, 3])
      return fig
  
file_path: wandb/tests/pytest_tests/unit_tests_old/utils/dummy_data.py
imports: import matplotlib
  import matplotlib.pyplot
  import numpy
  from bokeh.plotting import figure
label_desc: Use image node_id 3 for calling a global function with example usage: matplotlib_without_image() and returns: fig