code: def test_scalars():
      p = qplot(x=2, y=3)
      assert p == "scalars"
  
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 1 for calling a global function with example usage: test_scalars() without return types