<s> from __future__ import division <EOL> import traceback <EOL> from vistrails . core import debug <EOL> from vistrails . gui . modules . constant_configuration import * <EOL> debug . warning ( "<STR_LIT>" <EOL> "<STR_LIT>" , <EOL> '<STR_LIT>' . join ( traceback . format_stack ( ) ) ) </s>
