test_doctests stderr

etc/python/grass/lib/gis.py:801: DeprecationWarning: classic int division
  ('__val', c_ulong * (1024 / (8 * sizeof(c_ulong)))),
D0/0: debug 0
message
important message
100
WARNING: Ohh
ERROR: Ohh no
ERROR: Ohh no no no!
ERROR: Ohh no no no!
ERROR: Ohh no no no!
ERROR: Ohh no no no!
..
----------------------------------------------------------------------
Ran 2 tests in 0.028s
OK