code: def _get_axes_layout(self, axes):
      x_set = set()
      y_set = set()
      for ax in axes:
          # check axes coordinates to estimate layout
          points = ax.get_position().get_points()
          x_set.add(points[0][0])
          y_set.add(points[0][1])
      return (len(y_set), len(x_set))
  
imports: import numpy
  import pandas.util.testing
  from pandas_ml.compat import plotting
  from pandas.util.testing import assert_produces_warning, close, RNGContext, assert_index_equal, assert_series_equal, assert_frame_equal, assert_numpy_array_equal
label_desc: Use image node_id 3 for calling the PlottingTestCase obj's underlying member method code with example usage: obj._get_axes_layout(axes) and returns: len,  len