code: def test_discrete_y():
      p = ggplot(data, aes("y", "x")) + geom_count()
  
      assert p == "discrete_y"
  
imports: import pandas
  from plotnine import aes, geom_count, ggplot
label_desc: Use image node_id 2 for calling a global function with example usage: test_discrete_y() without return types