code: def test_ylim():
      p = qplot(x="np.arange(5)", y="np.arange(5)", ylim=(-10, 10))
      assert p == "ylim"
  
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 9 for calling a global function with example usage: test_ylim() without return types