import decode from grass utils

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@74322 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/gunittest/gmodules.py

@@ -11,6 +11,7 @@ for details.
 
 import subprocess
 from grass.script.core import start_command
+from grass.script.utils import decode
 from grass.exceptions import CalledModuleError
 from grass.pygrass.modules import Module