old_contents: VERSION = (0, 5, 5, 'final', 0)
  
  
  def get_version():
      version = '%s.%s' % (VERSION[0], VERSION[1])
      if VERSION[2]:
          version = '%s.%s' % (version, VERSION[2])
  
      sub = ''
      if VERSION[3] != 'final':
          mapping = {'alpha': 'a', 'beta': 'b', 'rc': 'c'}
          sub = mapping[VERSION[3]] + str(VERSION[4])
  
      return version + sub
  
new_contents: VERSION = (0, 5, 6, 'final', 0)
  
  
  def get_version():
      version = '%s.%s' % (VERSION[0], VERSION[1])
      if VERSION[2]:
          version = '%s.%s' % (version, VERSION[2])
  
      sub = ''
      if VERSION[3] != 'final':
          mapping = {'alpha': 'a', 'beta': 'b', 'rc': 'c'}
          sub = mapping[VERSION[3]] + str(VERSION[4])
  
      return version + sub
  
subject: Update version