code: def test_onlyy():
      p = qplot(y=np.arange(5))
  
      assert p == "onlyy"
  
file_path: plotnine/tests/test_qplot.py
imports: import numpy
  import pandas
  import pytest
  from plotnine import qplot
  from plotnine.exceptions import PlotnineWarning
label_desc: Use image node_id 6 for calling a global function with example usage: test_onlyy() without return types