code: def test_polar_default_log_lims():
      plt.subplot(projection="polar")
      ax = plt.gca()
      ax.set_rscale("log")
      assert ax.get_rmin() > 0
  
imports: import numpy
  from numpy.testing import assert_allclose
  import pytest
  import matplotlib
  from matplotlib import pyplot
  from matplotlib.testing.decorators import image_comparison, check_figures_equal
label_desc: Use image node_id 20 for calling a global function with example usage: test_polar_default_log_lims() without return types