old_contents: import os
  
  __all__ = []
  __version__ = '0.3.0'
  
  # Use UTF8 for stdin, stdout, stderr
  os.environ['PYTHONIOENCODING'] = 'utf-8'
  
new_contents: import os
  
  __all__ = []
  __version__ = '0.3.1'
  
  # Use UTF8 for stdin, stdout, stderr
  os.environ['PYTHONIOENCODING'] = 'utf-8'
  
subject: Bump version to 0.3.1