code: def test_subplot_kwarg_collision():
      ax1 = plt.subplot(projection="polar", theta_offset=0)
      ax2 = plt.subplot(projection="polar", theta_offset=0)
      assert ax1 is ax2
      ax1.remove()
      ax3 = plt.subplot(projection="polar", theta_offset=1)
      assert ax1 is not ax3
      assert ax1 not in plt.gcf().axes
  
imports: import difflib
  import numpy
  import sys
  from pathlib import Path
  import pytest
  import matplotlib
  from matplotlib.testing import subprocess_run_for_testing
  from matplotlib import pyplot
label_desc: Use image node_id 13 for calling a global function with example usage: test_subplot_kwarg_collision() without return types