code: def test_vertical(self):
      ch = chartify.Chart()
      assert ch.axes._vertical
      ch = chartify.Chart(x_axis_type="categorical")
      assert ch.axes._vertical
      ch = chartify.Chart(y_axis_type="categorical")
      assert not ch.axes._vertical
      ch = chartify.Chart(y_axis_type="density")
      assert ch.axes._vertical
      ch = chartify.Chart(x_axis_type="density")
      assert not ch.axes._vertical
      ch = chartify.Chart(x_axis_type="datetime")
      assert ch.axes._vertical
  
file_path: chartify/tests/test_axes.py
imports: import chartify
  import numpy
  import pandas
label_desc: Use image node_id 1 for calling the TestBaseAxes obj's underlying member method code with example usage: obj.test_vertical() without return types