code: def test_plot_supports_polars():
      pl = pytest.importorskip("polars")
      dfp = pl.DataFrame(pd._testing.makeDataFrame())
      out = plot(dfp, "line")
      assert isinstance(out, hv.Curve)
  
file_path: hvplot/hvplot/tests/testplotting.py
imports: from unittest import TestCase, SkipTest
  import holoviews
  import pandas
  import pytest
  from packaging.version import Version
  from parameterized import parameterized
  from hvplot.converter import HoloViewsConverter
  from hvplot.plotting import plot
label_desc: Use image node_id 1 for calling a global function with example usage: test_plot_supports_polars() without return types