old_contents: import abc
  import traceback
  
  FUNC_LIST = []
  
  class WithStackTrace(object):
      """abstract class that can be mixed in to allow functions to use the
          'with_stacktrace' decorator.
          This will enable proper error reporting in functions that can be overridden
          by either end-users or developers
      """
      __metaclass__ = abc.ABCMeta
  
      def __getattribute__(self, name):
          if name in FUNC_LIST:
              func_needing_stacktrace = object.__getattribute__(self, name)
  
              def catche_errs(*pargs, **kwargs):
                  try:
                      res = func_needing_stacktrace(*pargs, **kwargs)
                  except BaseException as err:
                      traceback.print_exc()
                      raise err
  
                  return res
  
              return catche_errs
          else:
              return object.__getattribute__(self, name)
  
  def with_stacktrace(func):
      FUNC_LIST.append(func.__name__)
      return func
  
new_contents: import abc
  import traceback
  
  FUNC_LIST = []
  
  class WithStackTrace(object):
      """abstract class that can be mixed in to allow functions to use the
          'with_stacktrace' decorator.
          This will enable proper error reporting in functions that can be overridden
          by either end-users or developers
      """
      __metaclass__ = abc.ABCMeta
  
      def __getattribute__(self, name):
          if name in FUNC_LIST:
              func_needing_stacktrace = object.__getattribute__(self, name)
  
              def catch_errs(*pargs, **kwargs):
                  try:
                      res = func_needing_stacktrace(*pargs, **kwargs)
                  except BaseException as err:
                      traceback.print_exc()
                      raise err
  
                  return res
  
              return catch_errs
          else:
              return object.__getattribute__(self, name)
  
  def with_stacktrace(func):
      FUNC_LIST.append(func.__name__)
      return func
  
subject: fix typo