text: import os
  
  
  def test_import_iris():
      import iris
      assert (iris.__version__.count(".") == 2)
  
  def test_import_netCDF4():
      import netCDF4
      assert (netCDF4.__version__.count(".") == 2)
  
  def test_import_netcdftime():
      import netcdftime
      assert (netcdftime.__version__.count(".") == 2)
  
  def test_import_gdal():
      import gdal
  
  def test_import_matplotlib():
      import matplotlib
      matplotlib.use('Agg')
      import matplotlib.pyplot as plt
      plt.plot(range(5))
  
      plotfile = '/tmp/test.png'
      plt.savefig(plotfile)
      assert(os.path.isfile(plotfile))
  