old_contents: from __future__ import absolute_import
  import sys
  __future_module__ = True
  
  if sys.version_info[0] < 3:
      try:
          from thread import *
      except ImportError:
          from dummy_thread import *
  else:
      raise ImportError('This package should not be accessible on Python 3. '
                        'Either you are trying to run from the python-future src folder '
                        'or your installation of python-future is corrupted.')
  
new_contents: from __future__ import absolute_import
  import sys
  __future_module__ = True
  
  if sys.version_info[0] < 3:
      from thread import *
  else:
      raise ImportError('This package should not be accessible on Python 3. '
                        'Either you are trying to run from the python-future src folder '
                        'or your installation of python-future is corrupted.')
  
subject: Remove import of dummy_thread from _thread module (issue #124)