code: def test_distplot(self):
      return  # ToDo: only fails on Travis
  
      df = self.iris
  
      ax = df.sns.distplot()
      self.assertIsInstance(ax, matplotlib.axes.Axes)
      self.assertEqual(ax.get_xlabel(), ".target")
      tm.close()
  
      # pass scalar (str)
      ax = df.sns.distplot(df.columns[1])
      self.assertIsInstance(ax, matplotlib.axes.Axes)
      self.assertEqual(ax.get_xlabel(), df.columns[1])
      tm.close()
  
      # pass Series
      ax = df.sns.distplot(df[df.columns[2]])
      self.assertIsInstance(ax, matplotlib.axes.Axes)
      self.assertEqual(ax.get_xlabel(), df.columns[2])
  
imports: import pytest
  import matplotlib
  import numpy
  import sklearn.datasets
  import pandas_ml
  import pandas_ml.util.testing
label_desc: Use image node_id 3 for calling the TestSeabornDistribution obj's underlying member method code with example usage: obj.test_distplot() without return types