code: def test_spines_capstyle():
      # issue 2542
      plt.rc("axes", linewidth=20)
      fig, ax = plt.subplots()
      ax.set_xticks([])
      ax.set_yticks([])
  
file_path: matplotlib/lib/matplotlib/tests/test_spines.py
imports: import numpy
  import pytest
  import matplotlib.pyplot
  from matplotlib.spines import Spines
  from matplotlib.testing.decorators import check_figures_equal, image_comparison
label_desc: Use image node_id 5 for calling a global function with example usage: test_spines_capstyle() without return types