test_doctests stderr

.../usr/lib/python2.7/xml/etree/ElementTree.py:1638: DeprecationWarning: This method of XMLParser is deprecated.  Define doctype() method on the TreeBuilder target.
  DeprecationWarning,
Color table for raster map <test_a> set to 'rules'
Color table for raster map <test_a> set to 'ryb'
Color table for raster map <test_a> set to 'gyr'
......
----------------------------------------------------------------------
Ran 9 tests in 45.028s
OK