def print_last(limit=None, file=None):
 if (not hasattr(sys, 'last_type')):
  raise ValueError('no last exception')
 if (file is None):
  file = sys.stderr
 print_exception(sys.last_type, sys.last_value, sys.last_traceback, limit, file)

def print_last ( limit = None , file = None ) : if ( not hasattr ( sys , 'last_type' ) ) : raise ValueError ( 'no last exception' ) if ( file is None ) : file = sys . stderr print_exception ( sys . last_type , sys . last_value , sys . last_traceback , limit , file )
this is a shorthand for print_exception .