code: def setUp(self):
      try:
          import panel as pn  # noqa
          import hvplot.pandas  # noqa
      except:
          raise SkipTest("panel not available")
  
      from bokeh.sampledata.iris import flowers
  
      self.flowers = flowers
      self.cols = list(self.flowers.columns[:-1])
  
file_path: hvplot/hvplot/tests/testpanel.py
imports: from unittest import TestCase, SkipTest
  from hvplot.util import process_xarray
label_desc: Use image node_id 1 for calling the TestPanelObjects obj's underlying member method code with example usage: obj.setUp() without return types